Which one of the following hydride is the weakest reducing agent
HgCl 2 and I 2 both when dissolved in water containing I – ions, the pair of species formed is
Which one of the halogen is prepared by electrolysis method only
Mustard gas is obtained by
Which one of the following hydride of 17th group is least p K a value
Regarding chlorine, correct statement is
Which of the following product is formed when sulphur dioxide gas is passed through sodium chlorate in strongly acidic solution?
In the oxyacids of chlorine CI – O bond contains
The formula of some fluorides are given below. Which of them will combine further with fluorine?
Bleaching powder is obtained by treating chlorine with
Statement 1: FeI 3 , CuI 2 , PbI 4 do not exist but FeF 3 , CuF 2 , PbF 4 exist. Statement 2: F 2 having highest oxidising power whereas I 2 having least oxidising power among halogens.
Which one of the following hydride is thermally most stable
Which one of the following hydride of 17th group has the highest melting point
Density is highest for the halogen
Ionization enthalpy is highest for the species
Magnitude of electron gain enthalpy is highest for
X, P, Y and Z are the elements belonging to 17 th group of Modern periodic table. The correct trend of ionisation potential in these elements is X > P > Y > Z. The element ‘P’ in the sequence is
X, Y, Z and A are the elements belonging to 17 th group of Modern periodic table. The correct trend of magnitude of electron gain enthalpy in these elements is X > Y > Z > A. The element ‘A’ in the sequence is
B, P, A and Q are the elements belonging to 17 th group of Modern periodic table. The correct trend of density in these elements is B < P < A < Q. The element ‘Q’ in the sequence is
B, P, A and Q are the elements belonging to 17 th group of Modern periodic table. The correct trend of density in these elements is B < P < A < Q. The element ‘Q’ in the sequence is
A, B, C and D are the elements belonging to 17 th group of Modern periodic table. The correct trend of Ionization enthalpy of their ions is A – > B – > C – > D – . The element ‘B’ in the sequence is
X, B, C and Z are the elements belonging to 17 th group of Modern periodic table. The correct trend of hydration enthalpy of their ions is X – > B – > C – > Z – . The element ‘B’ in the sequence is
A, B, C and D are the elements belonging to 17 th group of Modern periodic table. The correct trend of Ionization enthalpy of their ions is A – > B – > C – > D – . The element ‘C’ in the sequence is
X, B, C and Z are the elements belonging to 17 th group of Modern periodic table. The correct trend of hydration enthalpy of their ions is X – > B – > C – > Z – . The element ‘C’ in the sequence is
P, Z, C and J are the elements belonging to 17 th group of Modern periodic table. The correct trend of Bond dissociation enthalpy of these elements is P 2 > Z 2 > C 2 > J 2 . The element ‘Z’ in the sequence is
P, Z, C and J are the elements belonging to 17 th group of Modern periodic table. The correct trend of Bond dissociation enthalpy of these elements is P 2 > Z 2 > C 2 > J 2 . The element ‘Z’ in the sequence is
B, Z, D and Q are the elements belonging to 17 th group of Modern periodic table. The correct melting point trend in these elements is B 2 > Z 2 > D 2 > Q 2 . The element ‘B’ in the sequence is
R, Y, B and L are the elements belonging to 17 th group of Modern periodic table. The correct boiling point trend in these elements is R 2 > Y 2 > B 2 > L 2 . The element ‘Y’ in the sequence is
R, Y, B and L are the elements belonging to 17 th group of Modern periodic table. The correct boiling point trend in these elements is R 2 > Y 2 > B 2 > L 2 . The element ‘Y’ in the sequence is
X, Y, B and P are the elements belonging to 17 th group of Modern periodic table. The correct trend of oxidizing power of these elements is X 2 > Y 2 > B 2 > P 2 . The element ‘B’ in the sequence is
T,B,Z and Q are 17 th group elements of Modern periodic table. The correct trend of reducing power of their hydrides is HT > HB > HZ > HQ. The element ‘T’ in the sequence is
In the structure of ClF 3 , the number of lone pairs of electrons on central atom ‘Cl’ is
Among the following, the correct order of acidity is
The 17th group hydride having positive p Ka value is
Column-I Column-II (A) XX ‘ (i) T-shape (B) XX ‘ 3 (ii) Pentagonal bipyramidal (C) XX ‘ 5 (iii) Linear (D) XX ‘ 7 (iv) Square pyramidal (v) Tetrahedral Match the interhalogen compounds of column-I with the geometry in column-II and assign the correct code.
Which one of the following fluoride salt is most soluble in water
Which of the following is used in bleaching water and paper
Super halogen is
Liquid and solid halogens are
The correct order of vanderwaals radius of F, Cl and Br is :
Cl 2 (or) Br 2 (or) I 2 reacts with cold and dilute alkali solution to form
What are the products obtained when ammonia is reacted with excess chlorine
Which of the following is used in the extraction of gold
Which halogen has highest ionisation potential
The hybridization in ICl 7 (AX 7 ) is
Which of the following is most volatile ?
The products formed when Cl 2 reacts with excess of NH 3 are
The wrong statement amongst the following regarding HCl is
The catalyst in Deacon’s process is
Which of the following is incorrect with respect to property indicated ?
Halogens combine among themselves to form covalent compounds which are called
The correct order of acidic strength of the following compounds is
The ion that cannot undergo disproportionation is
( I ) Hydration energy of iodide is highest among halides ( II ) Greater the size of halide, higher is the hydration energy
( I ) F 2 shows disproportionation reactions ( II ) F 2 is the weakest oxidising agent and it is always reduced.
List I (Property) List II(Order) A) M.P 1) I2 < Br2 < F2 < Cl2 B) B.P 2) Cl > F > Br > I C) Electron affinity 3) Cl2 > Br2 > F2 > I2 D) Bond dissociation 4) F2 > Cl2 > I2 > Br2 energy 5) F2 < Cl2 < Br2 < I2 The correct match is
( I ) Aqueous chlorine turns blue litmus to red initially ( II ) Aqueous chlorine is acidic
Iodiine atom, in the third excited state, reacts with fluorine to form a compound ‘x’. The formula and shape of ‘x’ are
Among the following which is the strongest oxidising agent?
Hydrochloric acid at 25 o C is
( I ) Fluorine forms only one oxoacid (HOF) ( II ) Electronegativity of fluorine is higher than that of oxygen
Which one of the following is not a true “per acid”?
( I ) The noble metals like gold, platinum dissolve in aqua regia ( II ) 3: 1 ratio of Conc HCl and Conc HNO 3 is called aqua regia
The correct order of acid strength is
Fluorine reacts with water to give
(I) Bond dissociation energy is F 2 > Cl 2 (II) Cl 2 has more electronic repulsion than F 2
The order of Cl-O bond energy in ClO – , ClO 2 – , ClO 3 – , ClO 4 – is
Chlorine dioxide
The halogen forming largest number of inter halogens is
Hydrofluoric acid cannot be stored in glass vessels because it reacts with glass to form
Which of the following species has four lone pairs of electrons in its valance shell?
( I ) Hydrolysis of BrF 3 gives HF and HBrO 2 ( II ) In the hydrolysis of interhalogen compounds, lower halogen forms hydrogen halide & higher halogen forms oxy acid.
The reaction of Cl 2 with X gives bleaching powder. X is
Interhalogen compounds are more reactive than the individual halogen because
The M–O–M bond angles in M 2 O (where M is halogen) is in the order
Cl 2 O, Br 2 O, I 2 O have positive value of (free energy) indicating that
Which of the fallowing halogens has metallic charector ?
The following is not a mineral of Chlorine
The electron affinity values(in KJ mole -1 ) of three halogens x, y and z are respectively -349, -333 and -325. Then x, y and z respectively are
Identify the wrong statement/s I) All halogens are colored II) F 2 and Cl 2 are gases whereas Br 2 and I 2 are liquids III)I 2 is sparingly soluble in water but is soluble in various organic solvents like CCl 4 , CS 2 etc.
Which one of the following elements show different oxidation states ?
Which one will liberate Br 2 from KBr ?
The mixture of concentrated HCl and HNO 3 made in 3 : 1 ratio contains
When KBr is treated with concentrated H 2 SO 4 reddish brown gas evolved, gas is
In KI solution, I 2 readily dissolves and forms
Fluorine reacts with water to give
HBr / HI are prepared by heating
Chlorine acts as a bleaching agent only in presence of
When cold NaOH reacts with Cl 2 which of the following is formed
In the manufacture of bromine from sea water, the mother liquor containing bromide is treated with
Which halogen acid is a liquid?
Which one will liberate Br 2 from KBr?
A solution of HCl in water is a good conductor while gaseous hydrogen chloride is not. This is due to the reason that
HCI cannot form H 2 Cl 2 while HF can form H 2 F 2 . The reason is
Iodine dissolves readily in
Fluorine with dilute NaOH gives
Which of the following condition is used to form atomic Cl 2 from molecular Cl 2 ?
Cl 2 reacts with CS 2 in presence of I 2 catalyst to form
On heating NaCl + K 2 Cr 2 O 7 + conc . H 2 SO 4 , the gas comes out is
The structure of azido carbon disulphide is
The stability of interhydrogen compounds follows the order
Which of the following is an interpseudohalogen (pseudohalogen analogues of interhalogen)?
Statement 1: F – F bond in F 2 molecule is strong. Statement 2: F-atom is small in size.
Statement 1: ClO 2 posses odd number of electrons. Statement 2: ClO 2 dimerise to provide the pairing of odd electron in it like other odd electron molecules.
Statement 1: A fresh stain of iodine is washed with hypo solution. Statement 2: Hypo is a bleaching agent and it oxidises I 2 to I – .
Statement 1: Liquid I 2 conducts current very slightly. Statement 2: Iodine in liquid state show partial auto ionisation.
Statement 1: Iodine chloride acts as chlorinating as well as iodinating agent. Statement 2: The nature of ICl to acts as chlorinating ICl vapour or iodinating (ICl in nitrobenzene) agent depends upon the conditions.
The solubility of iodine in water increases in the presence of
The compound insoluble in water is
Which one of the following hydride is thermally least stable
Which one of the following hydride of 17th group is positive p K a value
Density is least for the halogen
The halogen with highest boiling point is
The halogen which is most polarisable is
Bond dissociation enthalpy is highest for
Hydration enthalpy is highest for
B, P, A and Q are the elements belonging to 17 th group of Modern periodic table. The correct trend of atomic radius in these elements is B < P < A < Q. The element ‘Q’ in the sequence is
B, P, A and Q are the elements belonging to 17 th group of Modern periodic table. The correct trend of atomic radius in these elements is B < P < A < Q. The element ‘A’ in the sequence is
B, P, A and Q are the elements belonging to 17 th group of Modern periodic table. The correct trend of atomic radius in these elements is B < P < A < Q. The element ‘A’ in the sequence is
X, P, Y and Z are the elements belonging to 17 th group of Modern periodic table. The correct trend of ionisation potential in these elements is X > P > Y > Z. The element ‘P’ in the sequence is
X, P, Y and Z are the elements belonging to 17 th group of Modern periodic table. The correct trend of ionisation potential in these elements is X > P > Y > Z. The element ‘X’ in the sequence is
J, Q, Y and A are the elements belonging to 17 th group of Modern periodic table. The correct trend of electronegativity in these elements is J > Q > Y > A. The element ‘Q’ in the sequence is
J, Q, Y and A are the elements belonging to 17 th group of Modern periodic table. The correct trend of electronegativity in these elements is J > Q > Y > A. The element ‘Q’ in the sequence is
X, B, C and Z are the elements belonging to 17 th group of Modern periodic table. The correct trend of hydration enthalpy of their ions is X – > B – > C – > Z – . The element ‘C’ in the sequence is
P, Z, C and J are the elements belonging to 17 th group of Modern periodic table. The correct trend of Bond dissociation enthalpy of these elements is P 2 > Z 2 > C 2 > J 2 . The element ‘Z’ in the sequence is
B, Z, D and Q are the elements belonging to 17 th group of Modern periodic table. The correct melting point trend in these elements is B 2 > Z 2 > D 2 > Q 2 . The element ‘Z’ in the sequence is
R, Y, B and L are the elements belonging to 17 th group of Modern periodic table. The correct boiling point trend in these elements is R 2 > Y 2 > B 2 > L 2 . The element ‘R’ in the sequence is
R, Y, B and L are the elements belonging to 17 th group of Modern periodic table. The correct boiling point trend in these elements is R 2 > Y 2 > B 2 > L 2 . The element ‘Y’ in the sequence is
R, Y, B and L are the elements belonging to 17 th group of Modern periodic table. The correct boiling point trend in these elements is R 2 > Y 2 > B 2 > L 2 . The element ‘Y’ in the sequence is
X, B, C and Z are the elements belonging to 17 th group of Modern periodic table. The correct trend of reducing power of their ions is X – > B – > C – > Z – . The element ‘Z’ in the sequence is
X, B, C and Z are the elements belonging to 17 th group of Modern periodic table. The correct trend of reducing power of their ions is X – > B – > C – > Z – . The element ‘C’ in the sequence is
R, Y, B and P are the elements belonging to 17 th group of Modern periodic table. The correct trend of SRP values E 1 2 X 2 / X – 0 of these elements is R 2 > Y 2 > B 2 > P 2 . The element ‘Y’ in the sequence is
T,B,Z and Q are 17 th group elements of Modern periodic table. The correct trend of reducing power of their hydrides is HT > HB > HZ > HQ. The element ‘T’ in the sequence is
T,B,Z and Q are 17 th group elements of Modern periodic table. The correct trend of reducing power of their hydrides is HT > HB > HZ > HQ. The element ‘T’ in the sequence is
T,B,Z and Q are 17 th group elements of Modern periodic table. The correct trend of reducing power of their hydrides is HT > HB > HZ > HQ. The element ‘T’ in the sequence is
T,B,Z and Q are 17 th group elements of Modern periodic table. The correct trend of reducing power of their hydrides is HT > HB > HZ > HQ. The element ‘T’ in the sequence is
Correct statement among the following is
Which of the following statements is not true for halogens?
Which one of the following order is correct for the bond dissociation enthalpy of halogen molecules?
Which of the statements given below is incorrect?
Which is the strongest acid in the following?
Which one of the following solid has the highest melting point
The substance used to estimate carbon monoxide is
Chlorine forms many oxo acids.Wrong match regarding the oxo acids of chlorine or their oxanions is
HCl + NaZ NaCl + HZ . The anion ‘Z’ in this reaction cannot be
Which one of the following cannot undergo disproportionation
Most reactive species among the following is
Na 2 S 2 O 3 reacts with moist chlorine to form
ClF 3 + H 2 O X + Y . The products ‘X’ and ‘Y’ in the reaction are
Which of the following pairs shows highest bond dissociation enthalpy among halogens and lowest bond dissociation enthalpy among hydrogen halides?
Among halogens, the one which can oxidise water to oxygen is :
Atomic number of the 17 th group element present in 7 th period is
Statement I: HF 2 – ions exist in the solid & liquid state but HCl 2 – ions do not exist. Statement II: Fluorine forms hydrogen bond but chlorine can not.
The number of unpaired electrons present in the first excited state of chlorine atom is
The element which never acts as reducing agent in a chemical reaction is
The high reactivity of fluorine is mainly due to
The type of forces operating between halogen molecules are
Ionisation potential of fluorine is abnormally high. It is due to
The halogen that undergoes sublimation is
An element M has an atomic mass 19 and atomic number 9. Its ion is represented by
The elements with the highest electron gain enthalpy and electronegativity respectively are
Common oxidation states of halogens are
Which one of the following elements can show both positive and negative oxidation state ?
The maximum oxidation state that can be exhibited by a halogen in its second excited state
Enthalpy of dissociation is least for
In AX 5 type of molecule if ‘A’ undergoes sp 3 d 2 hybridisation, then the shape of the molecule is
F 2 absorbs …….. portion of light and appear yellow and I 2 absorbs ………. portion of light and appears violet
The order of reactivity of halogens with Hydrogen is
The strongest oxidising agent among the following is
Correct order of boiling points of hydrogen halides is
Match the correct bond dissociation in halogens Halogens Bond energy 1) F 2 A) 158.8 KJmol-1 2) Cl 2 B) 242.6KJmol-1 3) Br 2 C) 151.1KJmol-1 4) I 2 D) 192.8 KJmol-1
The wrong match among the following is
In the following chemical reaction 2Br – + X 2 â Br 2 + 2X – , X 2 is
Which of the following has greatest reducing power ?
Mark the element which shows only one oxidation state in its compounds
The correct order of the thermal stability of hydrogen halides (H-X) is
Chlorine acts as a bleaching agent only in the presence of
Cl 2 (or) Br 2 (or) I 2 reacts with hot conc. alkali solution to form
When Brine solution is subjected to electrolysis the gases liberated at anode and at cathode are
Chlorine oxidises H 2 S to
At ordinary temperature Cl 2 reacts with
In the use of Cl 2 as bleaching agent, the substance that is mainly responsible for the bleaching action is
Which one of the following is formed apart from sodium chloride when chlorine reacts with hot concentrated sodium hydroxide
A metal, M forms chlorides in its + 2 and + 4 oxidation states. Which of the following statements about these chlorides is correct?
In the reaction 4NaCl + MnO 2 + 4H 2 SO 4 →MnCl 2 + 4NaHSO 4 + 2H 2 O + ‘X’ Then the correct statement regarding ‘X’ are I) It is a greenish yellow coloured gas. II) It can also be prepared by Deacons process III) It can be liquefied into greenish yellow liquid which boils at 239K
In the following reactions a) 8NH 3 + 3Cl 2 → 6NH 4 Cl + ‘x’ b) NH 3 + 3Cl 2 →‘y’ + 3HCl x and y respectively are:
Although electron gain enthalpy of fluorine is less negative as compared to chlorine, fluorine is a stronger oxidizing agent than chlorine this is due to
Choose the Wrong statement amongst the following
Cl 2 reacts with water and forms
Extraction of chlorine from brine solution is based on
Sigma bond between Cl and O in ClO 4 – is formed by —- overlapping
The geometry of ClO 3 – according to valence shell electron pair repulsion theory will be
Shape and bond angle in ClO 4 – ion is
The number of Ï bonds in ClO 4 – ion is
BrF 5 undergoes hydrolysis, then the products formed are
What is the oxidation state of chlorine in hypochlorous acid ?
Thermally most stable compound is
Cl in ClO – involves in ……. hybridisation
Which of the following is not peroxy Acid
is an example of
‘T’ shaped interhalogen is
Charge distribution in iodine monochloride is best represented as
The electronic configuration of an element is 1s 2 2s 2 2p 5 . It is most likely to form
The highest oxidation state of fluorine is
The gases liberated during the electrolysis of aqueous solution of hydrogen fluoride
Which of the following reaction does not takes place.
Which of the following shows variation of bond energy (BE) of halogens
Which of the following does not form precipitate with AgNO 3 ?
Poor conductor of electricity is
Consider the following reaction 6NaOH(Hot, Conc.)+ 3Cl 2 â5NaCl +A+3H 2 O What is the oxidation number of chlorine in “A”?
NH 3 (excess) + 3 Cl 2 A + N 2 ( gas) ; the bonds present in compound A is
Which of the following is used in the preparation of chlorine ?
Chlorine reacts with nitric oxide to form
When Cl 2 reacts with Fe (or) Cu it forms
The incorrect statement regarding Nelson cell process is
Chlorine is passed into dilute, cold KOH solution. What are the oxidation numbers of chlorine in the products formed ?
Oxyacid of chlorine with + 5 state of the central atom is
Which of the following reactions represent Deacon’s process ?
Correct trends from ClO – to ClO 4 – are A) Oxidation ability decreases B) Number of delocalised electrons increases C) Number of lone electron pairs on chlorine decreases D) O – Cl bond length decreases
The reaction 3ClO 2 – (aq) ClO 3 – (aq) + 2Cl – (aq) is an example of
Only iodine forms heptafluoride IF 7 , but chlorine and bromine give pentafluorides. The reason for this is
( I ) The bond dissociation energy of Fluorine is less than Bromine. ( II) In Fluorine molecule, lone pair-lone pair electronic repulsions and appreciable due to small size of Fluorine.
( I ) Chlorine is gas, bromine is liquid and iodine is solid ( II ) Intermolecular attraction forces increase upon increase in molecular masses
(I) Iodine appears in violet color (II) Iodine absorbs violet part of electro-magnetic radiation
( I ) Among hydrogen halides, hydrogen fluoride is least volatile ( II ) Hydrogen fluoride molecules are associated with hydrogen bonding
( I ) Halogens are colored ( II ) Color is a characteristic property of elements of d-block
( I ) HClO is stronger acid than HBrO ( II ) Greater is the electronegativity of the halogen, greater will be the X-O bond polarity and greater will be the O-H bond polarity hence more easily the H + ion will be released. Correct statements are
( I ) Maximum atomicity of an interhalogen compound is 8 ( II ) Highest valency exhibited by a halogen, other than fluorine is 7
( I ) Iodine does not react with water ( II ) Reaction of iodine with water is non spontaneous
( I ) Fluorine exhibits only -1 oxidation state ( II ) Fluorine is called super halogen
( I ) Among HX, HF is liquid while others are gases ( II ) HF has strong hydrogen bond
( I ) In HX, stability decreases down the group ( II ) Bond dissociation enthalpy order of HX is H-F > H-Cl > H-Br > H-I
( I ) Iodine oxides are more stable than chlorine and bromine oxides ( II ) Iodine is the solid halogen, but chlorine and bromine are gaseous and liquid halogens
( I ) I 2 O 5 is used for the estimation of carbon monoxide in qualitative analysis ( II ) I 2 O 5 is insoluble and decomposes on heating
( I ) All halogens are coloured ( II ) The halogens absorb visible light
( I ) F – F bond has low bond dissociation energy ( II ) Fluorine has lower reactivity
( I ) Chlorine undergoes disproportionation reaction in alkaline medium ( II ) Cl 2 is an oxidising agent
Which one of the following orders is correct for the bond dissociation enthalpy of halogen molecules ?
Which is the strongest acid in the following?
The correct structure of tribromooctaoxide is
Which of the following will displace the halogen from the solution of the halide?
The high oxidising power of fluorine is due to
Acid-strength of HX(X=F ,Cl ,Br ,I) is dependent on
In the preparation of HBr or HI,NaX(X = Br,I) is treated with H 3 PO 4 and not by conc.H 2 SO 4 because
ClO 3 is the mixed anhydride of
Least volatile hydrogen halide is
Which one of the following species is not a pseudohalide?
Which halogen forms only one oxoacid (HOX)?
Chlorine oxidises sodium thiosulphate to form
Which of the following is incorrect statement?
ClF 3 H 2 O X + HF . ‘X’ is the oxoacid of chlorine. shape of anion of ‘X’ is
Which of the following represents the decreasing order of vander wall’s forces in halogens?
Pick out the incorrect statement regarding halogens
The most powerful oxidizing agent is:
The halogens are:
Which has the highest heat of vaporization?
The correct order of the thermal stability of hydrogen halides (H-X) is
Phosgene is the common name of
Which one of the halogen acids is a liquid?
The correct order of acidic strength is
Correct order of bond angles are in
As the atomic number of halogens increases, the halogens
Mark the element which displaces other three halogens from their compounds
Which of the following is correct for CsBr 3 ?
Which of the following will displace the halogen from the solution of the halide?
Which of the following halogens is solid at room temperature?
Astatine is the element below iodine in the group VIIA of the periodic table. Which of the following statements is not true for astatine?
The least active halogen with hydrogen is
Which of the following hydrogen halide is most volatile?
Which of the following sequence is correct with reference to the oxidation number of iodine?
One gas bleaches the colour of flowers by reduction and another gas by oxidation. The gases respectively are
Which has the strongest bond?
Iodine and hypo react to produce
Which of the following halogen does not exhibit positive oxidation state in its compounds?
Which halogen does not show variable oxidation state?
Which of the following trend correctly represents the stability of oxides of halogens?
Which one is least basic?
Bromine is obtained on commercial scale from
Chlorine cannot be prepared by the action of HCl on
Chlorine can displace
Iodine is formed when potassium iodide reacts with solution of
Pure chlorine is obtained:
Chlorine can be manufactured from
In the preparation of chlorine from H C l , M n O 2 acts as
When chlorine water is exposed to sunlight, O 2 is liberated. Hence
Na 2 S 2 O 3 + I 2 Product is
On exciting Cl 2 molecule by UV light, we get
Which of the following statements is not true?
Halogen acid used in the preparation of aqua regia is
Bromine water reacts with SO 2 to form
Which is not oxidised by MnO 2 ?
Which one of the following pair of substances when mixed, produces chlorine gas at room temperature?
Chlorine cannot displace
Which is formed when fluorine react with hot and concentrated sodium hydroxide?
CIF on hydrolysis forms
Which of the following reaction is/are possible?
Which one of the following acid is the weakest?
Which one is the anhydride of H C l O 4 ?
Which of the following does not exist?
HClO 4 , HNO 3 and HCl are all strong acids in aqueous solution. In glacial acetic acid medium, their acid strength correct order is
Which of the following is incorrect?
ClO 2 reacts with water and alkali to give
Hypochlorous acid readily decomposes into
Which of the following is not the characteristic of interhalogen compounds?
ClO 3 is the mixed anhydride of:
What is the product obtained in the reaction of HgCl 2 and Hg ( CN ) 2 ?
Chlorous acid is prepared by the action of
Consider the following perhalate ions in acidic medium ClO 4 − ( I ) , BrO 4 − ( II ) , IO 4 − ( III ) Arrange these in the decreasing order of oxidizing power
Which of the following gaseous molecule is monoatomic?
Interhalogen compound which exists in dimeric form is
Down the group the acidic character of HX in 17th group increases HF<HCl<HBr<HI because:
Down the group of halogen, the acidic character of H – A increases in the order.
Statement 1 : SO 2 and Cl 2 both are bleaching agents. Statement 2 : Both sulphur dioxide and chlorine bleach by reduction.
Statement 1 : HClO 4 is a stronger acid than HClO 3 . Statement 2 : Oxidation state of Cl in HClO 4 is +VII and in HClO 3 +V.
Aquaregia is used to dissolve noble metals. Aquaregia is
Statement 1: F atom has a less negative electron affinity than Cl atom. Statement 2: Additional electrons are repelled more effectively by 3p-electron in Cl atom than by 2p-electrons in F.
Statement 1: HF forms two series of salts but HCl not. Statement 2: F-atom is more electronegative than Cl-atom
Statement 1: Iodine does not displace Cl 2 or Br 2 from their chlorides and bromides but displaces them from their oxo-slats. Statement 2: E OP o of I 2 > E OP o of Cl 2 or Br 2 .
Statement 1: Mineral acids on dissolving in liquid HF acts like a base. Statement 2: Liquid HF acts as an acid and possess strong tendency to donate proton.
Statement 1: Liquid HF is used as non-aqueous solvent and many acid-base reactions occur in this solvent system. Statement 2: Liquid HF undergoes self ionisation.
With cold and dilute sodium hydroxide fluorine reacts to give
Fluorine is prepared by
Which one below is a pseudohalide?
CuCl 2 with HCI in the presence of oxidising agents gives
Gadolinium (Gd) has 4 f 7 5 d 1 6 s 2 electronic configuration outside the [Xe] core. Find spin magnetic moment of Gd 3 + .
Statement 1: Reaction of thionyl chloride with hydrated ferric chloride yields anhydrous ferric chloride. Statement 2: Water of crystallisation present with ferric chloride reacts with thionyl chloride to liberate HCI and SO 2 gases.
Regarding hydrochloric acid, incorrect statement is
The compound used to estimate oxygen of organic compound is
The halogen having the least bond dissociation enthalpy is
Gold dissolves in aqua regia to form a soluble complex and a compound of nitrogen ‘X’ . ‘X’ formed is
In general correct decreasing order of thermal stability of oxides formed by halogens
IF 5 + H 2 O ‘X’ + HF ; ‘X’ in the reaction is
BrF 5 on hydrolysis forms
which of the following is having highest p k a value
Arrange the halogens F 2 , Cl 2 , Br 2 , I 2 in order of their increasing reactivity with alkanes
which of the following oxides is amphoteric in nature?
Which one of the following hydride of 17th group is most volatile
Which one of the following hydride is least volatile
Which one of the following hydride of 17th group is most acidic
Which one of the following hydride of 17th group is least acidic
Which one of the following hydride of 17th group is highest p K a value
Which one of the following hydride of 17th group has the least melting point
Which one of the following hydride is the strongest reducing agent
The halogen with highest melting point is
The halogen with least melting point is
The halogen with least boiling point is
Bond dissociation enthalpy is least for
Oxidizing power is highest for
Ionization enthalpy is highest for
Ionization enthalpy is least for
Weakest bleaching agent and the most acidic oxo acid among the following is
B, P, A and Q are the elements belonging to 17 th group of Modern periodic table. The correct trend of atomic radius in these elements is B < P < A < Q. The element ‘A’ in the sequence is
X, P, Y and Z are the elements belonging to 17 th group of Modern periodic table. The correct trend of ionisation potential in these elements is X > P > Y > Z. The element ‘P’ in the sequence is
J, Q, Y and A are the elements belonging to 17 th group of Modern periodic table. The correct trend of electronegativity in these elements is J > Q > Y > A. The element ‘J’ in the sequence is
J, Q, Y and A are the elements belonging to 17 th group of Modern periodic table. The correct trend of electronegativity in these elements is J > Q > Y > A. The element ‘J’ in the sequence is
X, Y, Z and A are the elements belonging to 17 th group of Modern periodic table. The correct trend of magnitude of electron gain enthalpy in these elements is X > Y > Z > A. The element ‘Z’ in the sequence is
X, Y, Z and A are the elements belonging to 17 th group of Modern periodic table. The correct trend of magnitude of electron gain enthalpy in these elements is X > Y > Z > A. The element ‘Z’ in the sequence is
X, Y, Z and A are the elements belonging to 17 th group of Modern periodic table. The correct trend of magnitude of electron gain enthalpy in these elements is X > Y > Z > A. The element ‘Z’ in the sequence is
B, P, A and Q are the elements belonging to 17 th group of Modern periodic table. The correct trend of density in these elements is B < P < A < Q. The element ‘Q’ in the sequence is
B, P, A and Q are the elements belonging to 17 th group of Modern periodic table. The correct trend of density in these elements is B < P < A < Q. The element ‘Q’ in the sequence is
A, B, C and D are the elements belonging to 17 th group of Modern periodic table. The correct trend of Ionization enthalpy of their ions is A – > B – > C – > D – . The element ‘C’ in the sequence is
A, B, C and D are the elements belonging to 17 th group of Modern periodic table. The correct trend of Ionization enthalpy of their ions is A – > B – > C – > D – . The element ‘C’ in the sequence is
X, B, C and Z are the elements belonging to 17 th group of Modern periodic table. The correct trend of hydration enthalpy of their ions is X – > B – > C – > Z – . The element ‘X’ in the sequence is
P, Z, C and J are the elements belonging to 17 th group of Modern periodic table. The correct trend of Bond dissociation enthalpy of these elements is P 2 > Z 2 > C 2 > J 2 . The element ‘P’ in the sequence is
P, Z, C and J are the elements belonging to 17 th group of Modern periodic table. The correct trend of Bond dissociation enthalpy of these elements is P 2 > Z 2 > C 2 > J 2 . The element ‘Z’ in the sequence is
P, Z, C and J are the elements belonging to 17 th group of Modern periodic table. The correct trend of Bond dissociation enthalpy of these elements is P 2 > Z 2 > C 2 > J 2 . The element ‘Z’ in the sequence is
P, Z, C and J are the elements belonging to 17 th group of Modern periodic table. The correct trend of Bond dissociation enthalpy of these elements is P 2 > Z 2 > C 2 > J 2 . The element ‘Z’ in the sequence is
P, Z, C and J are the elements belonging to 17 th group of Modern periodic table. The correct trend of Bond dissociation enthalpy of these elements is P 2 > Z 2 > C 2 > J 2 . The element ‘Z’ in the sequence is
B, Z, D and Q are the elements belonging to 17 th group of Modern periodic table. The correct melting point trend in these elements is B 2 > Z 2 > D 2 > Q 2 . The element ‘B’ in the sequence is
B, Z, D and Q are the elements belonging to 17 th group of Modern periodic table. The correct melting point trend in these elements is B 2 > Z 2 > D 2 > Q 2 . The element ‘B’ in the sequence is
R, Y, B and L are the elements belonging to 17 th group of Modern periodic table. The correct boiling point trend in these elements is R 2 > Y 2 > B 2 > L 2 . The element ‘Y’ in the sequence is
R, Y, B and L are the elements belonging to 17 th group of Modern periodic table. The correct boiling point trend in these elements is R 2 > Y 2 > B 2 > L 2 . The element ‘Y’ in the sequence is
R, Y, B and L are the elements belonging to 17 th group of Modern periodic table. The correct boiling point trend in these elements is R 2 > Y 2 > B 2 > L 2 . The element ‘Y’ in the sequence is
X, Y, B and P are the elements belonging to 17 th group of Modern periodic table. The correct trend of oxidizing power of these elements is X 2 > Y 2 > B 2 > P 2 . The element ‘P’ in the sequence is
X, B, C and Z are the elements belonging to 17 th group of Modern periodic table. The correct trend of reducing power of their ions is X – > B – > C – > Z – . The element ‘C’ in the sequence is
X, B, C and Z are the elements belonging to 17 th group of Modern periodic table. The correct trend of reducing power of their ions is X – > B – > C – > Z – . The element ‘C’ in the sequence is
X, Y, B and P are the elements belonging to 17 th group of Modern periodic table. The correct trend of oxidizing power of these elements is X 2 > Y 2 > B 2 > P 2 . The element ‘B’ in the sequence is
X, Y, B and P are the elements belonging to 17 th group of Modern periodic table. The correct trend of oxidizing power of these elements is X 2 > Y 2 > B 2 > P 2 . The element ‘B’ in the sequence is
R, Y, B and P are the elements belonging to 17 th group of Modern periodic table. The correct trend of SRP values E 1 2 X 2 / X – 0 of these elements is R 2 > Y 2 > B 2 > P 2 . The element ‘Y’ in the sequence is
R, Y, B and P are the elements belonging to 17 th group of Modern periodic table. The correct trend of SRP values E 1 2 X 2 / X – 0 of these elements is R 2 > Y 2 > B 2 > P 2 . The element ‘R’ in the sequence is
R, Y, B and P are the elements belonging to 17 th group of Modern periodic table. The correct trend of SRP values E 1 2 X 2 / X – 0 of these elements is R 2 > Y 2 > B 2 > P 2 . The element ‘Y’ in the sequence is
D,A,L and Q are 17 th group elements of Modern periodic table. The correct trend of thermal stability of their hydrides is HD > HA > HL > HQ. The element ‘D’ in the sequence is
D,A,L and Q are 17 th group elements of Modern periodic table. The correct trend of thermal stability of their hydrides is HD > HA > HL > HQ. The element ‘D’ in the sequence is
D,A,L and Q are 17 th group elements of Modern periodic table. The correct trend of thermal stability of their hydrides is HD > HA > HL > HQ. The element ‘D’ in the sequence is
D,A,L and Q are 17 th group elements of Modern periodic table. The correct trend of thermal stability of their hydrides is HD > HA > HL > HQ. The element ‘D’ in the sequence is
D,A,L and Q are 17 th group elements of Modern periodic table. The correct trend of thermal stability of their hydrides is HD > HA > HL > HQ. The element ‘D’ in the sequence is
D,A,L and Q are 17 th group elements of Modern periodic table. The correct trend of thermal stability of their hydrides is HD > HA > HL > HQ. The element ‘D’ in the sequence is
D,A,L and Q are 17 th group elements of Modern periodic table. The correct trend of thermal stability of their hydrides is HD > HA > HL > HQ. The element ‘D’ in the sequence is
D,A,L and Q are 17 th group elements of Modern periodic table. The correct trend of p k a of their hydrides is HD > HA > HL > HQ. The element ‘D’ in the sequence is
D,A,L and Q are 17 th group elements of Modern periodic table. The correct trend of thermal stability of their hydrides is HD > HA > HL > HQ. The element ‘D’ in the sequence is
D,A,L and Q are 17 th group elements of Modern periodic table. The correct trend of thermal stability of their hydrides is HD > HA > HL > HQ. The element ‘D’ in the sequence is
D,A,L and Q are 17 th group elements of Modern periodic table. The correct trend of p k a of their hydrides is HD > HA > HL > HQ. The element ‘D’ in the sequence is
D,A,L and Q are 17 th group elements of Modern periodic table. The correct trend of p k a of their hydrides is HD > HA > HL > HQ. The element ‘D’ in the sequence is
D,A,L and Q are 17 th group elements of Modern periodic table. The correct trend of p k a of their hydrides is HD > HA > HL > HQ. The element ‘D’ in the sequence is
T,B,Z and Q are 17 th group elements of Modern periodic table. The correct trend of K a values of their hydrides is HT > HB > HZ > HQ. The element ‘T’ in the sequence is
T,B,Z and Q are 17 th group elements of Modern periodic table. The correct trend of K a values of their hydrides is HT > HB > HZ > HQ. The element ‘T’ in the sequence is
T,B,Z and Q are 17 th group elements of Modern periodic table. The correct trend of K a values of their hydrides is HT > HB > HZ > HQ. The element ‘T’ in the sequence is
T,B,Z and Q are 17 th group elements of Modern periodic table. The correct trend of K a values of their hydrides is HT > HB > HZ > HQ. The element ‘T’ in the sequence is
T,B,Z and Q are 17 th group elements of Modern periodic table. The correct trend of K a values of their hydrides is HT > HB > HZ > HQ. The element ‘T’ in the sequence is
T,B,Z and Q are 17 th group elements of Modern periodic table. The correct trend of K a values of their hydrides is HT > HB > HZ > HQ. The element ‘T’ in the sequence is
T,B,Z and Q are 17 th group elements of Modern periodic table. The correct trend of K a values of their hydrides is HT > HB > HZ > HQ. The element ‘T’ in the sequence is
T,B,Z and Q are 17 th group elements of Modern periodic table. The correct trend of boiling point of their hydrides is HT > HB > HZ > HQ. The element ‘B’ in the sequence is
A, Q, Y and D are 17 th group elements of Modern periodic table. The correct trend of melting point of their hydrides is HA > HQ > HY > HD. The element ‘A’ in the sequence is
A, Q, Y and D are 17 th group elements of Modern periodic table. The correct trend of melting point of their hydrides is HA > HQ > HY > HD. The element ‘Q’ in the sequence is
A, Q, Y and D are 17 th group elements of Modern periodic table. The correct trend of melting point of their hydrides is HA > HQ > HY > HD. The element ‘Q’ in the sequence is
A, Q, Y and D are 17 th group elements of Modern periodic table. The correct trend of melting point of their hydrides is HA > HQ > HY > HD. The element ‘Q’ in the sequence is
T,B,Z and Q are 17 th group elements of Modern periodic table. The correct trend of acidic strength of their hydrides is HT > HB > HZ > HQ. The element ‘T’ in the sequence is
T,B,Z and Q are 17 th group elements of Modern periodic table. The correct trend of acidic strength of their hydrides is HT > HB > HZ > HQ. The element ‘T’ in the sequence is
T,B,Z and Q are 17 th group elements of Modern periodic table. The correct trend of acidic strength of their hydrides is HT > HB > HZ > HQ. The element ‘T’ in the sequence is
T,B,Z and Q are 17 th group elements of Modern periodic table. The correct trend of acidic strength of their hydrides is HT > HB > HZ > HQ. The element ‘T’ in the sequence is
T,B,Z and Q are 17 th group elements of Modern periodic table. The correct trend of reducing power of their hydrides is HT > HB > HZ > HQ. The element ‘T’ in the sequence is
T,B,Z and Q are 17 th group elements of Modern periodic table. The correct trend of reducing power of their hydrides is HT > HB > HZ > HQ. The element ‘T’ in the sequence is
T,B,Z and Q are 17 th group elements of Modern periodic table. The correct trend of reducing power of their hydrides is HT > HB > HZ > HQ. The element ‘T’ in the sequence is
