Chemistry QuestionsComplexes Questions for CBSE Class 12th

Complexes Questions for CBSE Class 12th

Which one of the following has a square planar geometry? (Co = 27, Ni = 28, Fe = 26, Pt = 78)

Which of the following pairs is not correctly matched?

    Fill Out the Form for Expert Academic Guidance!



    +91


    Live ClassesBooksTest SeriesSelf Learning




    Verify OTP Code (required)

    I agree to the terms and conditions and privacy policy.

    Which of the following observations/statements is/are correct?

    Co NH 3 5 NO 2 + 2 and Co NH 3 5 ONO + 2 are

    Which one of the following complex is diamagnetic

    The isomerism exhibited by the complex, K 3 Cr ox 2 Cl 2 is A) Geometrical B) Optical

    Which of the following complex species is not expected to exhibit optical isomerism?

    The complex which exhibits linkage isomerism is

    Ag + forms many complexes, some of these are Ag NH 3 2 + , Ag CN 2 − and Ag S 2 O 3 2 3 − . which of the following statement is true?

    Crystal field stabilization energy(CFSE) is zero for the octahedral complex with the configuration

    Statement I ; Aqueous AgNO 3 is the electrolyte used in electroplating the articles with silver Statement II ; Desferrioxime B is used to remove excess copper and iron from plants and animals

    Based on CFT, the correct relation between ∆ o and ∆ t is

    Statement 1: Ti H 2 O 3 + is coloured ion while Sc H 2 O 6 3 + is colourless. Statement 2: Ti 3+ has 3d 1 configuration whereas Sc 3+ has no unpaired electron and thus d-d transition is not possible.

    Statement 1: In the complex [Co(NH 3 ) 3 Cl 3 ], chloride ions satisfy the primary valencies as well as the secondary valencies of cobalt metal. Statement 2: [Co(NH 3 ) 3 Cl 3 ] shows geometrical as well as optical isomerism.

    Effective atomic number of central atom in Pt ( en ) H 2 O Cl 3 Cl Complex is

    How many number of moles of AgCl is precipitated, when1 mole of Pt ( en ) H 2 O Cl 3 Cl Complex is treated with excess AgNO 3 ?

    According to werner primary valency of central atom in Cr H 2 O 6 Cl 3 Complex is

    According to werner theory Duel valency of central atom in Cr H 2 O 6 Cl 3 Complex is

    According to werner theory secondary valency of central atom in Cr H 2 O 6 Cl 3 Complex is satisfy by fallowing species

    According to werner theory Primary valency of central atom in Cr H 2 O 6 Cl 3 Complex is satisfy by fallowing species

    In an experiment it showed that 10 mL of 0.05 M solution of chloride required 10 mL of 0.1 M solution of AgNO 3 , which of the following will be the formula of the chloride (X stands for the symbol of the element other than chlorine)

    Which is diamagnetic?

    Number of stereo isomers for tetrahedral MabXL complex are ( a, b, X, L are monodentate but not ambidentate ligands )

    The complex which has maximum number of unpaired electrons is

    In photography, sodium thiosulphate is used as

    The EAN of platinum in potassium hexachloroplatinate (IV) is:

    An imperfect complex of a complex compound is 100% ionized; the compound is called:

    The oxidation state of oxygen in O 2 PtF 6 is

    Which of the following is the strongest field ligand?

    The coordination number of a metal in coordination compounds is

    In the coordination compound Co en 2 Cl 2 Cl (en = ethylenediamine), the coordination number and oxidation number of the central atom are, respectively:

    Potassium ferrocyanide is a

    The oxidation number of chromium in sodium tetrafluorido oxochromate complex is

    In K 4 Fe CN 6 Fe is in the form of

    Which of the following is wrong statement?

    The ligand in potassium ferricyanide is

    The number of isomers possible for square planar complex K 2 PdClBr 2 SCN is:

    IUPAC name of K 3 Al C 2 O 4 3 is called

    The pair of the compounds in which both the metals are in the highest possible oxidation state is

    The oxidation state of Co in Co H 2 O 5 Cl 2 + is

    The IUPAC name of the coordination compound K 3 Fe CN 6 is:

    The formula of sodium nitroprusside is

    The IUPAC name of K 3 Ir C 2 O 4 3 is

    The total number of possible isomers of the complex compound Cu 11 NH 3 4 Pt 11 Cl 4 is

    The number of geometrical isomers for Pt NH 3 2 Cl 2 is

    Which one of the following square planar complexes will form two geometrical isomers?

    Which one of the following statement is false

    Cis -trans isomerism is found in square planar complexes of molecular formula: (a and b are monodentate ligands)

    Co NH 3 4 Cl 2 + exhibits

    Which of the following pairs represents linkage isomers?

    Which one of the following is an example of coordination isomerism?

    Which would exhibit ionisation isomerism?

    In the chemistry of complexes, coordination polyhedra refers to

    The number of geometrical isomers of the complex Co NO 2 2 NH 3 2 is

    Which of the following complex is an example of homoleptic neutral complex

    [Co(NH 3 ) 5 Br] SO 4 and [CO(NH 3 ) 5 SO 4 ]Br are examples of which type of isomerism

    CO NH 3 5 NO 2 Cl 2 and Co NH 3 5 ONO Cl 2 are related to each other as

    The structure of iron pentacarbonyl is:

    Cr NH 3 6 Co CN 6 and Co NH 3 6 Cr CN 6 are a pair of——- isomers

    Match List-I (Complexes) with List-II (Hybridization) of central atom and select the correct answer using the codes given below the lists: List-I List-II A) Ni CO 4 1) sp 3 B) Ni CN 4 2 − 2) dsp 2 C) Fe CN 6 4 − 3) sp 3 d 2 D) MnF 6 4 − 4) d 2 sp 3 Code :

    The hybridization of Fe in K 4 Fe CN 6 complex is:

    Oxidation state of central metal is highest in the complex

    Which of the following complex has three stereo isomers and exhibits both geometrical and optical isomersism(a,b,c.d=monodentate ligands; aa=symmetrical bidentate ligand)

    In which of the following octahedral complexes of Co (at. no. 27),will the magnitude of Δ o be the highest?

    ln quantitative analysis of second group in laboratory, H 2 S gas is passed in acidic medium for precipitation’ When Cu 2+ and Cd 2+ react with KCN, then for product true statement is

    Which of the following is π -acid ligand?

    Statement 1: The complex Cr SCN NH 3 5 Cl 2 is linkage isomer with Cr NCS NH 3 5 Cl 2 . Statement 2: SCN – is an ambident ligand in which there are two possible coordination sites.

    The types of isomerism exhibited by Co NH 3 4 NO 2 2 NO 3 is

    The correct order for the wavelength of absorption in the visible region is

    Which one of the following complexes does not obey EAN rule

    An article to be electroplated by silver is taken as cathode during electrolysis. The electrolyte to be taken during this process would be

    0.25 moles of PdCl 2 . 4 NH 3 is treated with excess of AgNO 3 solution. Number of moles of AgCl precipitated will be

    According to werner theory Duel valency of central atom in Co NH 3 6 Cl 3 Complex is

    According to werner theory Primary valency of central atom in Co NH 3 6 Cl 3 Complex is satisfy by fallowing species

    How many number of moles of AgCl is precipitated, when1 mole of Co NH 3 6 Cl 3 Complex is treated with excess AgNO 3 ?

    Co NH 3 6 Cl 3 Complex dissolved in water, resulting solution conductivity corresponds to

    According to werner theory primary, secondary of central atom in Co NH 3 5 Cl Cl 2 Complex respectively

    How many number of moles of AgCl is precipitated, when1 mole of Co NH 3 5 Cl Cl 2 Complex is treated with excess AgNO 3 ?

    Co NH 3 5 Cl Cl 2 Complex dissolved in water, resulting solution conductivity corresponds to

    How much amount of AgCl is precipitated, when 1 mole of Co NH 3 6 Cl 3 Complex is treated with excess AgNO 3 ?

    Counter entity of Co NH 3 4 Cl 2 Cl Complex is

    IUPAC name of Co NH 3 4 Cl 2 Cl Complex is

    According to werner primary valency of central atom in Pt ( en ) 2 ( H 2 O ) Cl Cl 3 Complex is

    According to werner theory Primary valency of central atom in Pt ( en ) 2 ( H 2 O ) Cl Cl 3 Complex is satisfy by fallowing species

    How many number of moles of AgCl is precipitated, when1 mole of Pt ( en ) 2 ( H 2 O ) Cl Cl 3 Complex is treated with excess AgNO 3 ?

    Pt ( en ) 2 ( H 2 O ) Cl Cl 3 Complex dissolved in water, resulting solution conductivity corresponds to

    Pt ( en ) H 2 O Cl 3 Cl Complex is dissolved in water to produce ions

    Pt ( en ) H 2 O Cl 3 Cl Complex is

    Coordination entity of Cr H 2 O 6 Cl 3 Complex is

    According to werner theory Duel valency of central atom in Cr H 2 O 6 Cl 3 Complex is

    How many number of moles of AgCl is precipitated, when1 mole of Cr H 2 O 6 Cl 3 Complex is treated with excess AgNO 3 ?

    The type of isomerism shown by the complex CoCl 2 ( e n ) 2 is

    The geometry and magnetic behaviour of the complex Ni ( CO ) 4 are

    Iron carbonyl, Fe ( CO ) 5 is

    Among the following complexes the one which shows zero crystal field stabilization energy (CFSE) is

    Which of the following has longest C – O bond length? (Free C – O bond length in CO is 1 . 128 A ° )

    The correct IUPAC name for CrF 2 ( en ) 2 Cl is

    Cobalt (III) chloride forms several octahedral complexes with ammonia. Which of the following will not give test for chloride ions with silver nitrate at 25°C ?

    Correct combination among the following is

    The cobalt complex which absorbs maximum wavelength of light is

    For the complex, K 3 FeF 6 it is observed that Δ o   <    P . Crystal field stabilization energy is equal to

    Which one of the following has three stereoisomers and shows both optical and geometrical isomerism.

    Which one of the following is a tridentate ligand

    Which of the following is an example of negative, bidentate symmetrical ligand?

    Correct increasing order for the wavelengths of absorption in the visible region for the complexes of Co 3 + is

    Statement: I- Coordination entity and coordination polyhedra are synonymous. Statement:II– Coordination number of central metal ion is the sum of sigma and Pi bonds present between central metal ion and ligands.

    Colour of Ni H 2 O 6 + 2   and   Ni en 3 + 2 respectively will be

    Co NH 3 5 Cl Br and Co NH 3 5 Br Cl are

    Lead poisoning can be removed using the following ligand

    What is the co-ordination number of Cr in K 3 Cr Ox 3 ?

    In the complex Pt py 4 PtCl 4 , the oxidation numbers of Pt atom in former and latter part of the compound are respectively

    Which is a pair of ambidentate lignands among the following?

    The value of x on the N i C N 4 x is:

    The ligand ac ac has …… donor sites

    Aqueous solution of which of the following complexes would exhibit the highest molar conductance?

    The most stable ion is:

    How many EDTA molecules are required to make an octahedral complex with a Ca 2+ ion?

    One mole of complex compound Co NH 3 5 Cl 3 gives 3 moles of ions on dissolution in water. One mole of same complex reacts with two moles of AgNO 3 to yield two moles of AgCl(s). The complex is:

    Ligands are

    Which of the following is the most likely structure of CrCl 3 . 6 H 2 O , if 1/3 of total chlorine of the compound is precipitated by adding AgNO 3 to its aqueous solution:

    In dodecacarbonyl dicobalt, the oxidation state of cobalt is:

    Which of the following acts as a bidentate ligand in complex formation?

    Which is the example of hexadentate ligand?

    Generally, a group of atoms can function as a ligand if

    The negative ligand is

    Finely divided iron combines with CO to give

    The oxidation number of Pt in Pt C 2 H 4 Cl 3 − is

    The oxidation state of cobalt in the complex compound Co NH 3 6 Cl 3 is

    Co NH 3 5 Br SO 4 and Co NH 3 5 SO 4 Br are the examples of:

    The IUPAC name of Cr NH 3 6 3 + is

    The chemical formula of diammine silver (I) chloride is

    In which of the following complex while naming the complex, the suffix “-ate” is used after the name of the central metal ion

    A compound has the empirical formula CoCl 3 . 5 NH 3 . When an aqueous solution of this compound ii mixed with excess silver nitrate, 2 mol of AgCl precipitates per mol of compound. On reaction with excess HCl, no NH 4 + is detected. Hence it is

    Which complexes have zero oxidation state?

    The IUPAC name of Co NH 3 3 NO 2 3 is

    Geometrical isomerism is found in coordination compounds having coordination number:

    Regarding the ligand, ethylene diamine the false statement is

    T\e type of isomerism present in nitro pentaammine chromium (III) chloride is:

    The number of geometrical isomers of Co NH 3 3 NO 3 3 are:

    Which one of the following complex ions has geometrical isomers?

    Out of the following which will not show geometrical isomerism?

    Which one of the following will not show geometrical isomerism?

    The correct formula representing Hexaammine cobalt(III) sulphate is

    Which of the following types of complexes does not show optical isomerism?

    Which of the following statements is not true about the complex ion Pt en 2 Cl 2 2 + ?

    Tris (ethylenediamine) cobalt (III) cation, [Co(en) 3 ] 3+ , can have

    IUPAC name of the complex, Cr H 2 O 5 Cl Cl 2 is

    Which of the following complexes exhibit optical isomerism?

    One litre of 1M solution of CoCl 3 . 4 NH 3 require ‘V’ litres of 2M AgNO 3 solution to precipitate all the chloride ions. Value of ‘V’ is

    The complex shown below can exhibit

    How many of the following complexes are outer orbital complexes A) Co H 2 O 6 + 3 B) CoF 6 – 3 C) Co NH 3 6 + 3 D) Co CN 6 – 3

    A magnetic moment of 1.73 B.M. will be shown by one among the following:

    On treatment of Pt NH 3 4 2 + with concentrated HCl, two compounds (I) and (II) having the same formula, Pt NH 3 2 Cl 2 are obtained, (I) can be converted into (II) by boiling with dilute HCl. A solution of (I) reacts with oxalic acid to form Pt NH 3 2 C 2 O 4 whereas (II) does not react. Point out the correct statement of the following.

    Hypo is used to dissolve the undissolved silver halides to form a soluble complex. This is the principle involved in developing photographic films. The oxidation number and coordination number of central metal in the complex is

    Which is true in the case of Ni CO 4 complex?

    The complex, Co NH 3 5 NO 2 Br exhibits

    Number of stereo isomers for the complex, Co en 3 Cl 3 are equal to

    Geometry of the complex, Pentacarbonyl Iron(0) is

    Four homoleptic square planar complexes, A, B, C, D have their overall instability constants as 10 – 9 , 10 – 5 , 10 – 2 and 10 – 6 respectively. The most stable complex is

    Consider the complexes I Co 2 CO 8 II Mn 2 CO 10 . The sum of metal-metal bonds in (I) and (II) is equal to ‘X’. The sum of bridged carbonyl groups in (I) and (II) is ‘Y’. Product of ‘X’ and’ Y’ is equal to

    Column-I(Ligand) Column-II(Classification) I) en A) ambidentate, uni negative II) ox B) bidentate, uni negative, unsymmetrical III) gly C) bidentate, neutral, symmetrical IV) nitrito D) bidentate, bi negative, symmetrical Correct match is

    Regarding metal carbonyls, correct statements are A) Oxidation state of metal is zero B) Carbon-Oxygen bond has pure triple bond character C) Metal-Carbon bond has pure single bond character D) Metal atom can not only act like electron pair acceptor but also act like electron pair donor

    Number of moles of ionizable chloride ions per mole of PtCl 4 . 4 NH 3 is/are

    Two different colours are exhibited by the complex, Co NH 3 4 Cl 2 Cl which is due to

    The correct order of magnetic moments (spin values in B.M.) among is:

    The magnetic moment of K 3 [Fe(CN) 6 ] is found to be 1.73 BM. How many unpaired electron(s) is/are present per molecule?

    Which one of the following has lowest value of paramagnetic behaviour?

    The octahedral complex of a metal ion M 3 + with four monodentate ligands L 1 , L 2 , L 3 and L 4 absorb wavelengths in the region of red, green, yellow and blue, respectively. The increasing order of ligand strength of the four ligands is

    Which is correct in the case of [NiCl 4 ] 2 complex?

    Complexes with halide ligands are generally:

    The compound which does not show paramagnetism is

    Which of the following statements are correct? (i) ln octahedral complexes, d z 2 , d x 2 − y 2 orbitals have higher energy than d xy , d yz and d z x orbitals. (ii) In tetrahedral complexes, d xy , d yz , d zx orbitals have higher energy than d z 2 and d x 2 − y 2 orbitals. (iii) The colours of complexes are due to electronic transitions from one set of d-orbitals to another set of orbitals. (iv) Δ tetrahedral = 9 4 , Δ octahedral

    In crystal field splitting for a tetrahedral complex, the number of orbitals pushed down in energy are

    The value of Δ o for RhCl 6 3 − is 243 kJ/mol. What wavelength of light will promote an electron and the colour of the complex respectively are

    For the t 2 g 6 e g 2 system, the value of magnetic moment μ is:

    In Fe CO 5 , the Fe-C bond possesses:

    The bond length of C – O bond in carbon monoxide is 1.128 A o . The C – O bond in Fe(CO) 5 is:

    Composition of complex formed when the ore argentite is treated with NaCN is

    In the complex ion ML 6 n + , M n + has five d-electrons and L is a weak field ligand. According to crystal field theory the magnetic properties of the complex ion correspond to how many unpaired electrons?

    Statement 1: Fe H 2 O 5 NO SO 4 is paramagnetic. Statement 2: The Fe in Fe H 2 O 5 NO SO 4 has three unpaired electrons.

    The equation which is balanced and represents the correct product(s) is

    Stability constant is more for the complex:

    Aqua regia reacts with Pt to yield:

    CH 3 MgI is an organometallic compound due to

    Co-ordination number of Fe in the complexes Fe CN 6 4 − , Fe CN 6 3 − and FeCl 4 − would be respectively

    Which of the following will not give a precipitate with AgNO 3 ?

    Match List I and List 2, (the basis of matching being complex formation in qualitative or quantitative analysis of ions) and select the correct answer using the codes given below the lists. List 1 Ions involved List 2 Complexing agent A) Ni 2 + 1) EDTA B) Zn 2 + 2) Sodium nitroprusside C) Cu 2 + 3) Ammonia D) S 2 – 4) Dimethylglyoxime Codes :

    Which of the following complex ion is not expected to absorb visible light?

    Which would exhibit ionisation isomerism?

    Which of the following does not have optical isomer?

    Among Ni CO 4 , Ni CN 4 2 − , NiCl 4 2 − species, the hybridization states at the Ni atom are, respectively (At. no. of Ni = 28)

    Which one of the following complex exhibits linkage isomerism ?

    Which is the strongest field ligand?

    Considering H 2 O as a weak field ligand, the number of unpaired electrons in Mn H 2 O 6 2 + will be:

    The shape of [Cu(NH 3 ) 4 ]Cl 2 is:

    Backbonding involves the formation of

    Which of the following complex ions is expected to absorb visible light?

    Crystal field stabilization energy for high spin d 4 octahedral complex is

    Which of the following is not a bidentate ligand

    The correct structural formula of potassium tri oxalato aluminate (III) is

    Which of the following statements are true A) Ma 3 b 3 type of complex exhibits fac – mer isomerism B) Tetrahedral complexes do not exhibit optical isomerism C) Co en 3 3 + shows optical isomerism D) Cis – Pt en 2 Cl 2 2 + does not exhibit optical isomerism

    In Ti H 2 O 6 + 3 complex the energy absorbed for excitation of 3 d 1 electron is

    The IUPAC name of Co NH 3 5 CO 3 Cl is

    According to CFT the energy of t 2 g orbitals in an octahedral complex

    Which of the following can exhibit geometrical isomerism

    IUPAC name of is

    Yellow coloured Werner’s cobalt complex gives 3 moles of white coloured AgCl precipitate with AgNO 3 solution. The formula of the complex is

    Which of the following ligand is used to estimate the hardness of water

    Ag + + NH 3 ⇌ Ag NH 3 + ; K 1 = 3 .5 × 10 − 3 Ag NH 3 + + NH 3 ⇌ Ag NH 3 2 + ; K 2 = 1 .7 × 10 − 3 The instability constant of Ag NH 3 2 + is

    Statement-I : All Pt(II) complexes with coordination number of four are squareplanar Statement-II : All Cu(II) complexes with coordination number of four are tetrahedral

    Among the following metal carbonyls, the C – O bond order is lowest in

    Which of one of the following is a paramagnetic complex

    Which of the following complexes formed by Cu +2 ion is most stable

    The complex compound that gives a precipitate with BaCl 2 solution is

    Stabilization energy of octahedral complex with d 7 configuration A) 1.8 with one unpaired electron B) 1.8 with three unpaired electrons C) 0.8 with one unpaired electron D) 0.8 with three unpaired electrons

    Ph 3 P 3 RhCl is

    Which one of the following is a symmetrical, bidentate and negative ligand ?

    For the complex, [Ti (H 2 O) 6 ] 3+ the value of crystal field spliting ( ∆ 0 ) is 243 kJ / mol. The crystal field stabilization energy (CFSE) in the complex (in kJ mol -1 ) would be

    Consider the following electronic arrangement for an octahedral complex. The above arrangement can be observed in

    According to werner theory secondary valency of central atom in Co NH 3 6 Cl 3 Complex is satisfy by fallowing species

    According to werner theory primary, secondary of central atom in Co NH 3 6 Cl 3 Complex respectively

    According to werner theory Duel valency of central atom in Co NH 3 5 Cl Cl 2 Complex is

    Coordination entity of Co NH 3 4 Cl 2 Cl Complex is

    Co NH 3 4 Cl 2 Cl Complex is dissolved in water to produce number of ions

    Co NH 3 4 Cl 2 Cl Complex is dissolved in water to produce ions

    Coordination number of central atom in Co NH 3 4 Cl 2 Cl Complex is

    Effective atomic number of central atom in Co NH 3 4 Cl 2 Cl Complex is

    According to werner theory Duel valency of central atom in Co NH 3 4 Cl 2 Cl Complex is

    According to werner theory secondary valency of central atom in Co NH 3 4 Cl 2 Cl Complex is

    According to werner theory Primary valency of central atom in Co NH 3 4 Cl 2 Cl Complex is satisfy by fallowing species

    According to werner theory Duel valency of central atom in Co NH 3 4 Cl 2 Cl Complex is

    According to werner theory primary, secondary and duel valency of central atom in Co NH 3 4 Cl 2 Cl Complex respectively

    According to werner theory primary, secondary of central atom in Co NH 3 4 Cl 2 Cl Complex respectively

    How many number of moles of AgCl is precipitated, when1 mole of Co NH 3 4 Cl 2 Cl Complex is treated with excess AgNO 3 ?

    According to werner theory Duel valency of central atom in Pt ( en ) 2 ( H 2 O ) Cl Cl 3 Complex is

    According to werner theory secondary valency of central atom in Pt ( en ) 2 ( H 2 O ) Cl Cl 3 Complex is

    According to werner theory duel valency of central atom in Pt ( en ) 2 ( H 2 O ) Cl Cl 3 Complex is satisfy by fallowing species

    How much amount of AgCl is precipitated, when 1 mole of Pt ( en ) 2 ( H 2 O ) Cl Cl 3 Complex is treated with excess AgNO 3 ?

    Coordination entity of Pt ( en ) ( H 2 O ) 2 Cl 2 Cl 2 Complex is

    Pt ( en ) 2 ( H 2 O ) Cl Cl 3 Complex dissolved in water, resulting solution conductivity corresponds to

    Counter entity of Pt ( en ) ( H 2 O ) 2 Cl 2 Cl 2 Complex is

    Effective atomic number of central atom in Pt ( en ) ( H 2 O ) 2 Cl 2 Cl 2 Complex is

    Oxidation number of central atom in Pt ( en ) H 2 O Cl 3 Cl Complex is

    According to werner theory secondary valency of central atom in Pt ( en ) H 2 O Cl 3 Cl Complex is

    IUPAC name of Pt ( en ) ( H 2 O ) 2 Cl 2 Cl 2 Complex is

    Coordination number of central atom in Pt ( en ) ( H 2 O ) 2 Cl 2 Cl 2 Complex is

    According to werner theory Primary valency of central atom in Pt ( en ) H 2 O Cl 3 Cl Complex is satisfy by fallowing species

    According to werner theory duel valency of central atom in Pt ( en ) ( H 2 O ) 2 Cl 2 Cl 2 Complex is satisfy by fallowing species

    According to werner theory secondary valency of central atom in Pt ( en ) H 2 O Cl 3 Cl Complex is

    Pt ( en ) H 2 O Cl 3 Cl Complex dissolved in water, resulting solution conductivity corresponds to

    According to werner theory primary, secondary of central atom in Pt ( en ) ( H 2 O ) 2 Cl 2 Cl 2 Complex respectively

    Coordination number of central atom in Cr H 2 O 6 Cl 3 Complex is

    Effective atomic number of central atom in Cr H 2 O 6 Cl 3 Complex is

    Which of the following complexes is used to be as an anticancer agent?

    What is the correct electronic configuration of the central atom in K 4 Fe ( CN ) 6 based on crystal field theory?

    The hybridization involved in complex Ni ( CN ) 4 2 – is (At. No. Ni = 28)

    The name of complex ion, Fe ( CN ) 6 3 – is

    The sum of coordination number and oxidation number of the metal M in the complex M ( e n ) 2 C 2 O 4 Cl (where en is ethylenediamine) is

    Number of possible isomers for the complex Co ( e n ) 2 Cl 2 Cl will be (en = ethylenediamine)

    A magnetic moment at 1.73 BM will be shown by one among of the following

    An excess of AgNO 3 is added to 100 mL of a 0.01 M solution of dichlorotetraaquachromium (III) chloride. The number of moles of AgCl precipitated would be

    Crystal field splitting energy for high spin d 4 octahedral complex is

    In a particular isomer of Co NH 3 4 Cl 2 0 , the Cl – Co – Cl angle is 90 o , the isomer is known as

    The anion of acetylacetone (acac) forms Co ( acac ) 3 chelate with Co 3 + . The rings of the chelate are

    One mole a yellow octahedral chromium complex, COCl 3 . xNH 3 reacts with excess AgNO 3 solution. Weight of precipitate formed is (Atomic weight of Ag = 108, Cl = 35.5)

    In an aqueous solution ferric ion gives blood red colour with potassium thiocyanate solution. Which of the following gives blood red colour with KSCN solution

    Which among the following is a paramagnetic complex?

    Which of these statement about Co ( CN ) 6 3 – is true

    Jahn-Teller effect is not observed in high spin complexes of

    According to Valence bond theory, which of the following is an example of outer orbital complex

    Based on spectrochemical studies, the correct increasing order of field strength of Ligands is

    IUPAC name of K 4 Fe CN 6 is

    Complexes exhibit isomerism.Presence of the following ligand is a necessary condition to exhibit linkage isomerism by a complex

    Complexes exhibit many types of isomerism. Fac-mer isomerism is exhibited by the complex of the type (a,b,c and d are monodentate ligands)

    Which one of the following is a anionic homoleptic complex?

    A metal ‘M’ forms four tetrahedral homoleptic complexes. The complex with maximum stability is the one with the overall instability constant value of

    Wilkinson’s catalyst is used in hydrogenation of alkenes. Formula of Wilkinson’s catalyst is

    Cr NH 3 6     Co CN 6    and    Co NH 3 6     Cr CN 6 are isomers

    Which of the following is the correct order of increasing field strength of ligands to form coordination compounds ?

    The correct order of the stoichiometries of AgCl formed when AgNO 3 in excess is treated with the complexes CoCl 3 . 6 NH 3 , CoCl 3 . 5 NH 3 , CoCl 3 . 4 NH 3 respectively is

    Pick out the correct statement with respect to [ Mn ( CN ) 6 ] 3 –

    Formula of nickel oxide with metal deficiency defect in its crystal is Ni 0.98 O . The crystal contains Ni 2 + and Ni 3 + ions. The fraction of nickel existing as Ni 2 + ions in the crystal is

    The electron distribution in d n coordination complexes depends on magnitude of crystal field splitting, ( ∆ 0 ) and pairing energy (P). The condition which favours formation of high spin complexes is :

    Which one of the following ions is not tetrahedral in shape?

    The [ Co ( H 2 O ) 6 ] 2 + ion has three unpaired electrons. The hybridization of Co in [ Co ( H 2 O ) 6 ] 2 + is:

    For the tetrahedral complex [ MnBr 4 ] 2 – , the spin only magnetic moment value is: [At. no. of Mn= 25]

    Which of the following complex ions is not diamagnetic ?

    I) CoCl 3 . 6 NH 3 II) CoCl 3 . 4 NH 3 I and II differ in

    Valence bond theory explained the geometries of complexes with the help of hybridization. Hybridization of central atom is sp 3 d 2 in

    Sum of coordination number and oxidation number of metal is maximum in the complex

    IUPAC name of the complex, LiAlH 4 is

    Irrespective of the strength of the ligand, the electronic arrangement will be the same in the octahedral complex formed by

    The complex which doesn’t exhibit geometrical isomerism is

    Based on spectrochemical series, the weakest ligand of the following is

    Metal carbonyls are very important class of organo metallic compounds. Geometry of [ Fe ( CO ) 5 ] is

    Statement I : A tetrahedral complex containing all mono dentate ligands cannot exhibit geometrical isomerism Statement II : All the ligands are at equivalent positions in a tetrahedral complex

    According to CFT for d 6 configuration in an octahedral complex, the correct possible electronic configurations for complex with strong field ligands and with weak field ligands respectively will be

    According to VBT, number of unpaired electrons are least in the complex

    Statement I : Desferrioxime B removes excess copper and iron from plants and animals Statement II : Aqueous AgNO 3 is the electrolyte used in the electroplating of articles with silver

    Number of bridged ligands in Co 2 ( CO ) 8 and Mn 2 ( CO ) 10 respectively.

    The transition metal ion present in Ziegler-Natta catalyst is

    In the complex, Cr en x Cl y Cl z x, y, z respectively are

    Statement-I: trans Co en 2 Cl 2 + is optically inactive. Statement-II: cis Co en 2 Cl 2 + is optically active.

    I(ligand) II(Denticity) (A) en (a) tridentate (B) dien (b) monodentate (C) trien (c) bidentate (D) py (d) tetradentate Correct match is :

    All the following are monodentate ligands except

    Which one of the following configuration represents a fac- isomer

    Cationic complex of the following is

    Which one of the following is a hexadentate ligand

    A solution containing 2.675 g of CoCl 3 . 6 NH 3 (molar mass = 267.5 g m o l – 1 ) is passed through a cation exchanger. The chloride ions obtained in solution were treated with excess of AgNO 3 to give 4.78 g of AgCl (molar mass = 143.5 g mol – 1 ). The formula of the complex is (Atomic mass of Ag = 108 u)

    COLUMN-I LIGAND COLUMN-II DENTICITY I) ox A) monodentate II) trien B) bidentate III) py C) tridentate IV) dien D) tetradentate Correct match is

    COLUMN-I(COMPLEX) COLUMN-II(HYBRIDIZATION) I) K 2 NiCl 4 A) dsp 2 II) Fe H 2 O 6 SO 4 B) sp 3 III) K 3 Co CN 6 C) d 2 sp 3 IV) PtCl 2 NH 3 2 D) sp 3 d 2 Correct match is

    Consider the square planar complex, M Br Cl Py NH 3 . Number of cis isomers possible for this complex is/are

    Which one of the following pair of complexes represent a pair of ionization isomers?

    Wilkinson’s catalyst is the catalyst used in hydrogenation of alkenes. The oxidation state of central atom in Wilkinson’s catalyst is

    Based on spectrochemical series, the correct increasing order of field strength of ligands is

    Number of coordination isomers possible for the complex [ Pt ( NH 3 ) 4 ] [ PdCl 4 ] are (including the given structure)

    Number of water molecules in Mohr’s salt is

    The solubility of silver bromide in hyposolution due to the formation of

    Statement 1: CuSO 4 . 5 H 2 O on heating to 250 o C loses all the five H 2 O molecules and becomes anhydrous. Statement 2: All five H 2 O molecules are coordinated to the central Cu 2 + ion.

    Statement 1: CuSO 4 . 5 H 2 O on heating to 250 o C loses all the five H 2 O molecules and becomes anhydrous. Statement 2: All five H 2 O molecules are coordinated to the central Cu 2 + ion.

    The oxidation number of Co in the complex ion CoCl NH 3 5 2 + is:

    Which of the following has the highest molar conductivity in solution?

    What is the EAN of central metal in N i g l y 2 ? (At. No. of Ni = 28)

    Which of the following is correct value of x in C r C O x ?

    Which among the following complexes is diamagnetic?

    The EAN of nickel in Ni ( CO ) 4 is

    CuSO 4 . 5 H 2 O is represented as

    NH 2 . NH 2 serves as:

    Which one is bidentate ligand?

    In the complex Fe NO 2 CO 2 which obeys EAN rule,”NO” ligand is assumed to be

    The complex that violates the EAN:

    Some salts although containing two different metallic elements give test for one of them in solution. Such salts are:

    The coordination number of a central metal atom in a complex is determined by:

    A solution containing 2.615 g of CoCl 3 6NH 3 (molar mass = 267 g mol -1 ) is passed through a cation exchanger’ The chloride ions obtained in solution were treated with excess of AgNO 3 to give 4.78 g of AgCl. The formula of the complex is:

    The bidentate ligand among the following is

    The ligand which is not bidentate

    Number of ions produced when Cu NH 3 4 Cl 2 is dissolved in water is/are

    The coordination number and the oxidation state of the element ‘E’ in the complex E en 2 C 2 O 4 NO 2 (where (en) is ethylenediamine) are, respectively:

    Formation of complex compound can be detected by

    According to effective atomic number rule the central metal acquires:

    Diethylene triamine is:

    Pick out from the following complex compounds, a poor electrolytic conductor in solution?

    A sample of copper sulphate pentahydrate, CuSO 4 . 5 H 2 O contains 3.782 g of Cu. How many grams of oxygen are in this sample ?

    The term cryptands refers to:

    What is the oxidation number of chromium in the dimeric hydroxo bridged species ?

    In K 4 Fe CN 6

    The co-ordination number of cobalt in the complex Co en 2 Br 2 Cl 2 is

    Which of the following complexes shows six coordination number?

    The number of ions formed when cuprammonium sulphate is dissolved in water is

    The coordination number of Cu in complex Cu H 2 O 4 + + is

    Which one of the following forms with an excess of CN – (Cyanide) a complex having coordination number two?

    According to Lewis the ligands are

    EDTA has coordination number

    Co-ordination number of aluminium is

    In the compound lithium tetrahydridoaluminate, the ligand is

    Which of the following ligands is expected to bidentates?

    Carnallite in solution of H 2 O shows the properties of

    The formula of alum is

    Number of ions present in K 4 Fe CN 6

    How many ions are produced in aqueous solution of Co H 2 O 6 Cl 2 ?

    In K 4 Fe CN 6 the EAN of Fe is

    The oxidation number of Cr in Cr NH 3 6 Cl 3 is

    In Ni NH 3 4 SO 4 , the E.A.N. of Ni is

    The EAN of iron in potassium ferricyanide is

    In the coordination compound, K 4 Ni CN 4 oxidation state of nickel is

    Pick out the complex compound in which the central metal atom obeys EAN rule strictly

    Oxidation state of Fe in K 3 Fe CN 6 is

    Which among the following will be named as dibromidobis- (ethylenediamine) chromium (III) bromide?

    The IUPAC name of the complex Pt NH 3 2 Cl 2 is

    The correct nomenclature for Fe 4 Fe CN 6 3 is

    The IUPAC name of compound Na 3 Co ONO 6 will be

    IUPAC name of Co ONO NH 3 5 Cl 2 is

    According to IUPAC nomenclature sodium nitroprusside is named as

    The proper name for K 2 PtCl 6 is

    The IUPAC name of Co NH 3 6 Cl 3 is

    IUPAC name of Co NH 3 3 H 2 O 2 Cl Cl 2 is

    IUPAC name for K Ag CN 2 is

    IUPAC name of Co NH 3 5 NO 2 Cl 2

    The IUPAC name of K 2 Cr CN 2 O 2 O 2 NH 3 is

    The square planar complex (MABCD) can show

    The type of isomerism shown by Co en 2 NCS 2 Cl and Co en 2 NCS Cl NCS is:

    The following structure refers to the ligand

    [Co(NH 3 ) 4 C1 2 ]CI exhibits

    All the following are ambidentate ligands except

    Which one of the following complexe is an anionic complex

    A square planar complex is represented as:

    The two compounds sulphato penta-ammine cobalt (III) bromide and sulphato penta-ammine cobalt (III) chloride represent:

    A square planar complex represented as:

    The isomer

    Which one of the following octahedral complexes will not show geometrical isomerism (A and B are monodentate ligands)?

    [Co(NH 3 ) 4 Cl 2 ]NO 2 and [Co(NH 3 ) 4 CI.NO 2 ]CI are …….. isomers

    Coordination isomerism is caused by the interchange of ligands between the

    Which of the following is not optically active?

    Type of isomerism which is shown by PtCl 2 Br 2 2 − is also observed in:

    Statement I ; According to Werner’s theory, primary valency of a metal is satisfied by neutral molecules Statement II ; According to Werner’s theory, secondary valency of a metal can be satisfied by anions

    Which one of the following complexes exhibit chirality?

    Which of the following complex will show optical activity?

    Which of the following is considered to be an anticancer species?

    IUPAC name of the complex, K 3 Fe CN 6 is

    In the complex, K y Co C 2 O 4 z Cl x the values of x, y, z respectively are

    Co en 3 3 + ion is expected to show

    In which case racemic mixture is obtained on mixing its mirror images in 1 : 1 molar ratio?

    Statement I ; According to VBT, the half filled orbitals of central metal ion only can involve in hybridization Statement II; According to VBT, rearrangement of electrons against Hund’s rule cannot occur in central metal ion

    The complex that exists as a pair of enantiomers is

    Which of the following complex has 2.82 BM Spin only magnetic moment.

    Which one of the following complex is paramagnetic with least number of unpaired electrons

    For which of the following complex hybridization of central ion is always d 2 sp 3 irrespective of the strength of the ligand for the octahedral complex?

    Which one of the following has largest number of isomers?

    Which of the following will show optical isomerism?

    Which of the following has an optical isomer? (en = ethylene diamine)?

    Which of the following has an optical isomer?

    The number of isomeric forms in which Co NH 3 4 Cl 2 + ion can occur is

    Number of geometrical isomers for the square planar complex, Pt Br Cl H 2 O py are

    Which one of the following complex exhibits fac-mer isomerism

    The phenomenon of optical activity will be shown by:

    Which of the following compound shows optical isomerism? (en = ethylenediamine)? a) cis-[Co(NH 3 ) 4 Cl 2 ] b) trans-[Co(en) 2 Cl 2 ) c) cis-[Co(en) 2 Cl 2 ) d) [Co(en) 3 ] Select the correct answer u-sing the codes given below:

    Match List-I (complex ions) with List-II (number of unpaired electrons) and select the correct answer using the codes given below lists: List-I (Complex ions) List-II (Number of Unpaired Electron A) CrF 6 4 − 1) One B) MnF 6 4 − 2) Two C) Cr CN 6 4 − 3) Three D) Mn CN 6 4 − 4) Four 5) Five Code :

    Cr NH 3 6 3 + ion is :

    Which one of the following is an inner orbital complex as well as diamagnetic in nature?

    Which of the following complexes exhibits the highest paramagnetic behaviour?

    A square planar complex is formed by hybridization of which atomic orbitals?

    Which of the following complex will have the least value of CFSE(ignore the contribution of pairing energy)

    The correct increasing order of field strength of ligands based on spectro chemical series is

    According to CFT, the bond between metal and ligand is

    Regarding Wilkinson’s catalyst, the false statement is

    Consider the following complexes I) Co NH 3 6 + 3 II) Co H 2 O 6 + 3 III) Co CN 6 – 3 the increasing order of wavelength of light absorbed is

    The complex, Ni CO 4 is a

    The stepwise stability constants of a tetrahedral complex, ML 4 are 10 5 , 10 3 , 10 2 and 10 respectively. The overall instability constant(dissociation constant) for the complex is

    Coordination number of Ni in Ni C 2 O 4 3 4 − is:

    Which of the following will exhibit maximum ionic conductivity?

    Hybridization of central metal in the complexes, Ni CO 4 , NiCl 4 – 2 and Ni CN 4 – 2 respectively

    Ligands in a complex salt are:

    Identify the wrong match from the following

    Among the following which are ambidentate ligands? (i) NO 2 − (ii) NO 3 − (iii) C 2 O 4 2 − (iv) SCN –

    Which one of the following complex is paramagentic

    Among the following complexes (K to P), K 3 Fe CN 6 K , Co NH 3 6 Cl 3 L , Na 3 Co oxalate 3 M , Ni H 2 O 6 Cl 2 N , K 2 Pt CN 4 O , and Zn H 2 O 6 NO 3 2 P The diamagnetic complexes are:

    Consider the following complex ions, P, Q, and R. P= FeF 6 3 − , Q = V H 2 O 6 2 + and R = Fe H 2 O 6 2 + , the correct order of the complex ions, according to their spin only magnetic moment values (in B. M.) is:

    Among the following ions which one has the highest paramagnetism?

    The reaction Fe CNS 6 3 − FeF 6 3 − takes place with:

    dsp 2 -hybridization is found in

    The primary valency of iron in K 4 [Fe(CN) 6 ] is

    The colour of the complex, Ni en 3 + 2 is

    [Cr(H 2 O) 6 ]Cl 3 has a magnetic moment of 3.83 B.M. The correct distribution of 3delectrons in the chromium of the complex is

    Which of the following complex is an outer orbital complex?

    Among the properties (a) reducing (b) oxidizing (c) complexing, the set of properties shown by CN- ion towards metal species is:

    Which one of the following has the regular tetrahedral structure?

    The value of ‘spin only’ magnetic moment for one of the following configuration is2-84 B-M. The correct one is:

    Which of the following facts about the complex Cr NH 3 6 Cl 3 is wrong?

    The magnetic moment (spin only) of NiCl 4 2 − is

    Which of the following is a low spin complex?

    Among the following ions, which one has the highest paramagnetism?

    An octahedral complex is formed when hybrid orbitals of the following type are involved

    For which transition metal ions are low spin complexes possible:

    The primary valence of the metal ion in the coordination compound K 2 Ni CN 4 is

    What is the co-ordination number of the metal in Co en 2 Cl 2 + ?

    The number of unpaired electrons in the complex ion CoF 6 3 − is (Atomic no. of Co = 27)

    When excess of ammonia is added to CuSO 4 solution, the deep blue coloured complex is formed. Complex is

    lf the crystal filed splitting energy for octahedral complexes is Δ 0 and for tetrahedral complexes is Δ t , the two are related as

    The coordination number of Pt in Pt NH 3 4 Cl 2 ion is

    Among the ligands NH 3 en, CN – and CO, the correct order of their increasing field strength, is

    Which of the following system has maximum number of unpaired electrons?

    Chlorophyll is a coordination compound having central atom of:

    Ammonia forms the complex Cu NH 3 4 2 + with copper ions in alkaline solution but not in acid solution. The reason for it is:

    Which one of the following statement is correct?

    A reagent used for identifying nickel ion is:

    Which of the following compounds is brown coloured?

    Coordination compounds have great importance in biological systems. In this context which of the following statements is incorrect:

    What is the EAN of nickel in Ni CO 4 ?

    In which of the following complexes oxidation state of metal is zero

    Which one of the following statements is incorrect?

    The effective atomic number of cobalt in the complex Co NH 3 6 3 + is

    Wilkinson’s catalyst used as a homogeneous catalyst in the hydrogenation of alkenes contains

    Which one of the following is an organometallic compound?

    Statement 1: The IUPAC name of K 3 [Cr(CN) 6 ] is potassium hexacyano chromate (III). Statement 2: It is an anion complex.

    Based on spectrochemical series, the weakest ligand of the following is

    Statement 1: Charge on the complex of ferric ion with EDTA is minus one. Statement 2: EDTA is a hexadentate ligand.

    Statement 1: K 2 Ni EDTA is more stable than K 3 Al C 2 O 4 3 . Statement 2: Nickel (Ni) is a transition element while aluminium (Al) is non-transition element.

    The IUPAC name for the complex Co NO 2 NH 3 5 Cl 2 is

    Statement 1: Ambidentate ligands lead to linkage isomerism. Statement 2: The ionization sphere is different in different linkage isomers.

    Statement 1: Co(NH 3 ) 2 CI 2 gives white precipitate with AgNO 3 solution. Statement 2: Chlorine is not present in the ionising sphere.

    Statement 1: The complex Co NH 3 3 Cl 3 does not give precipitate with AgNO 3 . Statement 2: The given complex does not contain counter ions.

    Statement 1: NF 3 is weaker ligand than N(CH 3 ) 3 . Statement 2: NF 3 ionizes to give F – ions in aqueous solution.

    Statement 1: Co-ordination number of cobalt in the complex Co en 3 3 + is six. Statement 2: Ethylenediamine acts as a bidentate ligand.

    Statement 1: The number of unpaired electrons present in CuCl 2 − complex is zero. Statement 2: The complex is linear in the solid state with sp-hybridization.

    The formula of the complex tris (ethylenediamine) cobalt (lll) sulphate is

    Types of isomerism shown by Cr NH 3 5 NO 2 Cl 2 is

    The IUPAC name of K 4 Fe CN 6 is

    Which kind of isomerism is exhibited by octahedral Co NH 3 4 Br 2 Cl ?

    Which reagent can be used to identify nickel ion?

    Which one of the following is expected to exhibit optical isomerism (en = ethylenediamine)?

    An aqueous solution of CoCl 2 on addition of excess of concentrated HCI turns blue due to formation of

    Turnbull’s blue is a compound

    Mixture X = 0.02 mol of Co NH 3 5 SO 4 and 0.02 mol of Co NH 3 5 Br SO 4 was prepared in 2 litre of solution 1 litre of mixture X + excess AgNO 3 Y 1 litre of mixture X + excess BaCl 2 Z Number of moles of Y and Z are

    Which of the following organometallic compound is σ – and π – bonded?

    Which of the following is a π -acid ligand?

    Complex salt can be made by the combination of Co III NH 3 5 Cl x with

    Which of the following is formed when n-butyl lithium reacts with tin (II) chloride?

    Nickel (Z = 28) combines with a uninegative monodentate ligand X – to form a paramagnetic complex [NiX 4 ] 2- . The number of unpaired electron(s) in the nickel and geometry of this complex ion are, respectively:

    Among Ni ( CO ) 4 , Ni ( CN ) 4 2 − and Ni ( Cl ) 4 2 − :

    Increasing order of Δ o of the following complex is

    Which ion produces a small crystal field splitting (a weak ligand field)?

    Which of the following is not correctly matched for colour?

    Which of the following is not true for ligand-metal complex?

    Statement 1: The Ni en 3 Cl 2 has higher stability than Ni NH 3 6 Cl 2 Statement 2: In Ni en 3 Cl 2 , the geometry around Ni is octahedral.

    IUPAC name of Co NH 3 5 NO 2 Cl 2

    Which of the following is considered as an anticancer species?

    Which of the following compounds shows optical isomerism?

    CN – is a strong field ligand. This is due to the fact that

    Considering H 2 O as a weak field ligand, the number of unpaired electrons in [Mn(H 2 O) 6 ] 2+ will be (At. No. of Mn = 25)

    Given the molecular formula of the hexacoordinated complexes (A) [CoCl 3 .6NH 3 ] (B) [CoCl 3 .5NH 3 ] (C) CoCl 3 .4NH 3 . If the number of coordinated NH 3 molecules in A, B and C respectively are 6, 5 and 4, the primary valency in (A), (B) and (C) are:

    Number of ions present in K 4 [Fe(CN) 6 ] is

    The existence of two different coloured complexes with the composition of Co NH 3 4 Cl 2 + is due to

    Which of the following does not show optical isomerism?

    Which one of the following is a diamagnetic complex ?

    The complex compound that gives a precipitate with BaCl 2 solution is

    The correct statement regarding Co C 2 O 4 3 3 − complex is

    The orbitals having lower energy in tetrahedral complexes according to CFT are

    The number of unpaired electrons in the square planar complex Ni CN 4 2 − is

    Transition elements form complexes due to

    The spin only magnetic moment Mn Br 4 2 − is 5.9BM. Then possible hybridization of Mn in the complex is

    Match the following Complex Colour I) Ni H 2 O 4 en aq 2 + A) Grey – green II) Ni H 2 O 2 en 2 aq 2 + B) Violet III) Ni en 3 aq 2 + C) Blue/Purple IV) Cr H 2 O 5 Cl Cl 2   .   H 2 O D) Pale blue The correct match is

    The polydentate ligand used in the treatment of lead poisoning is

    Statement-I : Valence bond theory of complexes gives quantitative interpretation of magnetic data. Statement-II : Valency bond theory of complexes explains colour exhibited by complexes.

    Crystal field splitting is maximum in

    The donor atoms in glycinato are

    Wrong match about IUPAC nomenclature is

    The complex, Cr(CO) x obeys EAN rule value of ‘x’ is

    The central metal ion in Haemoglobin and vitamin – B 12 respectively

    Statement-I : [Zn(NH 3 ) 2 Cl 2 ] exhibits geometrical isomerism Statement-II : [Pt(NH 3 ) 2 Cl 2 ] exhibits geometrical isomerism

    Which of the following statements is/are wrong? a. Al 4 C 3 and Be 2 C are organometallic compounds b. Metal carbonyls are organometallic compounds c. TEL is pi bonded organometallic compound d. Grignard’s reagent is a sigma- bonded organometallic compound

    Which of the following is a wrong match?

    The sum of coordination number and oxidation number of the metal M in the complex M en 2 C 2 O 4 Cl (where en is enthlenediamine) is

    A solution containing 2.675 grams of CoCl 3  . 6NH 3 (molar mass = 267.6 gr . mole − 1 ) is passed through a cation exchanger. The chloride ions obtained in solution were treated with excess of AgNO 3 to give 4.78 grams of AgCl (Molar mass= 143.5 gr mole − 1 ). The formula of the complex is

    Dipole moment will be zero in the complexes (I) Ni CN 4 2 − (II) cis – Pt NH 3 2 Cl 2 (III) trans – Pt NH 3 2 Cl 2

    Correct order of field strength of ligand is

    Which of the following is homoleptic complex

    EAN of the complex, LiAlH 4 is

    Statement-I : Anhydrous CuSO 4 is blue coloured Statement-II : CuSO 4 .5H 2 O is colourless

    According to CFT, the configuration which will have different electronic arrangement depending on field strength of ligand in an octahedral complex is

    Which one of the following is outer orbital complex

    Which does not obey EAN rule

    The correct statement about the magnetic properties of [Fe(CN) 6 ] 3– and [FeF 6 ] 3– is (Z=26).

    Which one of the following complex gives positive brown ring test

    Which of the following complex ions has electrons that are symmetrically filled in both t 2g and eg orbitals ?

    The crystal field spitting energy Δ o of I) CoBr 6 3 − II) CoF 6 3 − III) Co NCS 6 3 − IV) Co CN 6 3 − is in the order

    The correct IUPAC name of Cr NH 3 3 H 2 O 3 Cl 3 is

    The complex compound that gives a precipitate with BaCl 2 solution is

    The complex compound that gives a pale yellow precipitate with AgNO 3 solution is

    The solution of complex compound that gives positive brown ring test is

    The complex compound that gives a precipitate with BaCl 2 solution is

    Primary valency of Platinum in Pt Cl 4 . 6 NH 3 is

    Number of bridged ligands in Mn 2 ( CO ) 10 is / are

    Which one of the following cobalt(III) complex is purple coloured

    Assume i) Fe H 2 O 5 NO + 2 obeys EAN rule, ii) the oxidation state of central metal ‘Fe’ is +2, Find out the oxidation state of NO in the given complex ?

    The covalent character of bonding between the ligand and the central atom explained by

    Which of the following is considered to be an anticancer species?

    The ligands in anti-cancer drug cisplatin are

    Regarding crystal field theory, incorrect statement is

    Hardness of water is estimated using

    Which of the following set of ligands represent a set of bidentate ligands?

    Number of stereoisomers for the complex, [Pt(NH 3 )(Br)(Cl)(py)] are ‘X’ and for the complex, [Pt(NH 3 ) 2 Cl 2 ] are ‘Y’ . Sum of ‘X’ and ‘Y’ is

    In the reaction [CoCl 2 (NH 3 ) 4 ] + + Cl – [CoCl 3 (NH 3 ) 3 ] + NH 3 . Identify correct statement about the initial complex?

    CFSE of [Mn(H 2 O) 6 ]Cl 2 is

    In which of the following complex Δ(Crystal field spliting) <P (Pairing energy)

    Tetrahedral and colourless complexes among the following are :

    Consider the following complexes I) Co NH 3 6 3 + II) CoF 6 3 – III) Co NO 2 6 3 – the increasing order of wavelength of light absorbed is

    Co NH 3 6 Cl 3 Complex is dissolved in water to produce ions

    Counter entity of Co NH 3 6 Cl 3 Complex is

    Co NH 3 6 Cl 3 Complex is dissolved in water to produce number of ions

    IUPAC name of Co NH 3 6 Cl 3 Complex is

    Coordination number of central atom in Co NH 3 6 Cl 3 Complex is

    Effective atomic number of central atom in Co NH 3 6 Cl 3 Complex is

    Oxidation number of central atom in Co NH 3 6 Cl 3 Complex is

    According to werner theory secondary valency of central atom in Co NH 3 6 Cl 3 Complex is

    According to werner primary valency of central atom in Co NH 3 6 Cl 3 Complex is

    Co NH 3 6 Cl 3 Complex is

    According to werner theory primary, secondary and duel valency of central atom in Co NH 3 6 Cl 3 Complex respectively

    How much amount of AgCl is precipitated, when 1 mole of Co NH 3 6 Cl 3 Complex is treated with excess AgNO 3 ?

    Co NH 3 6 Cl 3 Complex colour is

    Counter entity of Co NH 3 5 Cl Cl 2 Complex is

    Coordination entity of Co NH 3 5 Cl Cl 2 Complex is

    Co NH 3 5 Cl Cl 2 Complex is dissolved in water to produce ions

    Co NH 3 5 Cl Cl 2 Complex is dissolved in water to produce number of ions

    IUPAC name of Co NH 3 5 Cl Cl 2 Complex is

    Oxidation number of central atom in Co NH 3 5 Cl Cl 2 Complex is

    Effective atomic number of central atom in Co NH 3 5 Cl Cl 2 Complex is

    According to werner theory secondary valency of central atom in Co NH 3 5 Cl Cl 2 Complex is

    Coordination number of central atom in Co NH 3 5 Cl Cl 2 Complex is

    Co NH 3 5 Cl Cl 2 Complex is

    According to werner primary valency of central atom in Co NH 3 5 Cl Cl 2 Complex is

    According to werner theory secondary valency of central atom in Co NH 3 5 Cl Cl 2 Complex is

    According to werner theory Primary valency of central atom in Co NH 3 5 Cl Cl 2 Complex is satisfy by fallowing species

    According to werner theory Duel valency of central atom in Co NH 3 5 Cl Cl 2 Complex is

    According to werner theory primary, secondary and duel valency of central atom in Co NH 3 5 Cl Cl 2 Complex respectively

    Co NH 3 5 Cl Cl 2 Complex colour is

    Oxidation number of central atom in Co NH 3 4 Cl 2 Cl Complex is

    Co NH 3 4 Cl 2 Cl Complex is

    According to werner primary valency of central atom in Co NH 3 4 Cl 2 Cl Complex is

    According to werner theory secondary valency of central atom in Co NH 3 4 Cl 2 Cl Complex is

    Co NH 3 4 Cl 2 Cl Complex dissolved in water, resulting solution conductivity corresponds to

    How much amount of AgCl is precipitated, when 1 mole of Co NH 3 4 Cl 2 Cl Complex is treated with excess AgNO 3 ?

    Co NH 3 4 Cl 2 Cl Complex colour is

    IUPAC name of Pt ( en ) 2 ( H 2 O ) 2 Cl 4 Complex is

    Oxidation number of central atom in Pt ( en ) 2 ( H 2 O ) 2 Cl 4 Complex is

    Coordination number of central atom in Pt ( en ) 2 ( H 2 O ) 2 Cl 4 Complex is

    Effective atomic number of central atom in Pt ( en ) 2 ( H 2 O ) 2 Cl 4 Complex is

    According to werner theory secondary valency of central atom in Pt ( en ) 2 ( H 2 O ) 2 Cl 4 Complex is

    Pt ( en ) 2 ( H 2 O ) 2 Cl 4 Complex is

    According to werner theory Duel valency of central atom in Pt ( en ) 2 ( H 2 O ) 2 Cl 4 Complex is

    According to werner primary valency of central atom in Pt ( en ) 2 ( H 2 O ) 2 Cl 4 Complex is

    According to werner theory secondary valency of central atom in Pt ( en ) 2 ( H 2 O ) 2 Cl 4 Complex is satisfy by fallowing species

    According to werner theory Primary valency of central atom in Pt ( en ) 2 ( H 2 O ) 2 Cl 4 Complex is satisfy by fallowing species

    According to werner theory Duel valency of central atom in Pt ( en ) 2 ( H 2 O ) 2 Cl 4 Complex is

    According to werner theory primary, secondary and duel valency of central atom in Pt ( en ) 2 ( H 2 O ) 2 Cl 4 Complex respectively

    According to werner theory primary, secondary of central atom in Pt ( en ) 2 ( H 2 O ) 2 Cl 4 Complex respectively

    How many number of moles of AgCl is precipitated, when1 mole of Pt ( en ) 2 ( H 2 O ) 2 Cl 4 Complex is treated with excess AgNO 3 ?

    How much amount of AgCl is precipitated, when 1 mole of Pt ( en ) 2 ( H 2 O ) 2 Cl 4 Complex is treated with excess AgNO 3 ?

    Pt ( en ) 2 ( H 2 O ) 2 Cl 4 Complex dissolved in water, resulting solution conductivity corresponds to

    Counter entity of Pt ( en ) 2 ( H 2 O ) Cl Cl 3 Complex is

    Coordination entity of Pt ( en ) 2 ( H 2 O ) Cl Cl 3 Complex is

    Pt ( en ) 2 ( H 2 O ) Cl Cl 3 Complex is dissolved in water to produce ions

    Pt ( en ) 2 ( H 2 O ) Cl Cl 3 Complex is dissolved in water to produce ions

    IUPAC name of Pt ( en ) 2 ( H 2 O ) Cl Cl 3 Complex is

    Coordination number of central atom in Pt ( en ) 2 ( H 2 O ) Cl Cl 3 Complex is

    Oxidation number of central atom in Pt ( en ) 2 ( H 2 O ) Cl Cl 3 Complex is

    Effective atomic number of central atom in Pt ( en ) 2 ( H 2 O ) Cl Cl 3 Complex is

    According to werner theory secondary valency of central atom in Pt ( en ) 2 ( H 2 O ) Cl Cl 3 Complex is

    Pt ( en ) 2 ( H 2 O ) Cl Cl 3 Complex is

    According to werner theory primary, secondary and duel valency of central atom in Pt ( en ) 2 ( H 2 O ) Cl Cl 3 Complex respectively

    According to werner theory primary, secondary of central atom in Pt ( en ) 2 ( H 2 O ) Cl Cl 3 Complex respectively

    Pt ( en ) 2 ( H 2 O ) Cl Cl 3 Complex dissolved in water, resulting solution conductivity corresponds to

    IUPAC name of Pt ( en ) ( H 2 O ) 2 Cl 2 Cl 2 Complex is

    Oxidation number of central atom in Pt ( en ) ( H 2 O ) 2 Cl 2 Cl 2 Complex is

    According to werner theory secondary valency of central atom in Pt ( en ) ( H 2 O ) 2 Cl 2 Cl 2 Complex is

    According to werner primary valency of central atom in Pt ( en ) ( H 2 O ) 2 Cl 2 Cl 2 Complex is

    Pt ( en ) ( H 2 O ) 2 Cl 2 Cl 2 Complex is

    According to werner theory Duel valency of central atom in Pt ( en ) ( H 2 O ) 2 Cl 2 Cl 2 Complex is

    According to werner theory secondary valency of central atom in Pt ( en ) ( H 2 O ) 2 Cl 2 Cl 2 Complex is

    According to werner theory Primary valency of central atom in Pt ( en ) ( H 2 O ) 2 Cl 2 Cl 2 Complex is satisfy by fallowing species

    According to werner theory primary, secondary and duel valency of central atom in Pt ( en ) ( H 2 O ) 2 Cl 2 Cl 2 Complex respectively

    How many number of moles of AgCl is precipitated, when1 mole of Pt ( en ) ( H 2 O ) 2 Cl 2 Cl 2 Complex is treated with excess AgNO 3 ?

    How much amount of AgCl is precipitated, when 1 mole of Pt ( en ) ( H 2 O ) 2 Cl 2 Cl 2 Complex is treated with excess AgNO 3 ?

    Counter entity of Pt ( en ) H 2 O Cl 3 Cl Complex is

    Coordination entity of Pt ( en ) H 2 O Cl 3 Cl Complex is

    Pt ( en ) H 2 O Cl 3 Cl Complex is dissolved in water to produce ions

    Pt ( en ) H 2 O Cl 3 Cl Complex is dissolved in water to produce number of ions

    Coordination number of central atom in Pt ( en ) H 2 O Cl 3 Cl Complex is

    According to werner primary valency of central atom in Pt ( en ) H 2 O Cl 3 Cl Complex is

    According to werner theory Duel valency of central atom in Pt ( en ) H 2 O Cl 3 Cl Complex is

    According to werner theory Duel valency of central atom in Pt ( en ) H 2 O Cl 3 Cl Complex is

    According to werner theory primary, secondary of central atom in Pt ( en ) H 2 O Cl 3 Cl Complex respectively

    According to werner theory primary, secondary and duel valency of central atom in Pt ( en ) H 2 O Cl 3 Cl Complex respectively

    How much amount of AgCl is precipitated, when 1 mole of Pt ( en ) H 2 O Cl 3 Cl Complex is treated with excess AgNO 3 ?

    Counter entity of Cr H 2 O 6 Cl 3 Complex is

    Cr H 2 O 6 Cl 3 Complex is dissolved in water to produce ions

    Cr H 2 O 6 Cl 3 Complex is dissolved in water to produce number of ions

    IUPAC name of Cr H 2 O 6 Cl 3 Complex is

    Oxidation number of central atom in Cr H 2 O 6 Cl 3 Complex is

    According to werner theory secondary valency of central atom in Cr H 2 O 6 Cl 3 Complex is

    Cr H 2 O 6 + 3 Complex is

    According to werner theory primary, secondary and duel valency of central atom in Cr H 2 O 6 Cl 3 Complex respectively

    According to werner theory primary, secondary of central atom in Cr H 2 O 6 Cl 3 Complex respectively

    How much amount of AgCl is precipitated, when 1 mole of Cr H 2 O 6 Cl 3 Complex is treated with excess AgNO 3 ?

    Cr H 2 O 6 Cl 3 Complex dissolved in water, resulting solution conductivity corresponds to

    Chat on WhatsApp Call Infinity Learn

      Talk to our academic expert!



      +91


      Live ClassesBooksTest SeriesSelf Learning




      Verify OTP Code (required)

      I agree to the terms and conditions and privacy policy.