Coordination Compounds Class 12 Chemistry MCQs Pdf
1. IUPAC name of [Pt(NH3)3 Br (NO2) Cl] Cl isw
(a) triamminechlorodibromidoplatinum (IV) chloride
(b) triamminechloridobromidonitrochloride- platinum (IV) chloride
(c) triamminebromidochloridonitroplatinum (IV) chloride
(d) triamminenitrochlorobromoplatinum (IV) chloride
Answer
Answer: c
2. Trunbull’s blue is
(a) Ferricyanide
(b) Ferrous ferricyanide
(c) Ferrous cyanide
(d) Fe3[Fe(CN)6]4
Answer
Answer: b
3. Primary and secondary valency of Pt in [Pt(en)2Cl2] are
(a) 4, 4
(b) 4, 6
(c) 6, 4
(d) 2, 6
Answer
Answer: d
4. The complex ions [Co(NH3)5(NO2)]2+ and [Co(NH3)5 (ONO)]2+ are called
(a) Ionization isomers
(b) Linkage isomers
(c) Co-ordination isomers
(d) Geometrical isomers
Answer
Answer: b
5. Which of the following has square planar structure?
(a) [NiCl4]2-
(b) [Ni(CO)4]
(c) [Ni(CN)4]2-
(d) None of these
Answer
Answer: c
6. Which of the following has magnesium?
(a) Chlorophll
(b) Haemocyanin
(c) Carbonic anhydrate
(d) Vitamin B12
Answer
Answer: a
7. Mohr’s salt is
(a) Fe2(SO4) 3 . (NH4)2SO4 . 6H2O
(b) FeSO4 . (NH4)2 . SO4 . 6H2O
(c) MgSO4 . 7H2O
(d) FeSO4 . 7H2O
Answer
Answer: b
8. Which of the following shall form an octahedral complex?
(a) d4 (low spin)
(b) d8 (high spin)
(c) d6 (low spin)
(d) All of these
Answer
Answer: b
9. EDTA is used for the estimation of
(a) Na+ and K+ ions
(b) Cl– and Br– ions
(c) Cu2+ and Cs+ ions
(d) Ca2+ and Mg2+ ions
Answer
Answer: d
10. The solution of the complex [Cu(NH3)4] SO4 in water will
(a) give the tests of Cu2+ ion
(b) give the tests of NH3
(c) give the tests of SO42- ions
(d) not give the tests of any of the above
Answer
Answer: c
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