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MCQ Questions Class 12 Coordination Compounds with Answers - Set - 5
Question 1:
Which of the following coordination compounds would exhibit optical isomerism?
(a) Pentaamminenitrocobalt(III) iodide
(b) Diamminedichloroplatinum(II)
(c) trans-Dicyanobis(ethylenediamine)chromium(III) chloride
(d) tris-(Ethylenediamine)cobalt(III) bromide
Correct Answer – (D)
Question 2:
[CoNH(3)4(NO2)2]Cl exhibits
(a) linkage isomerism, geometrical isomerism and optical isomerism
(b) linkage isomerism, ionization isomerism and optical isomerism
(c) linkage isomerism, ionization isomerism and geometrical isomerism
(d) ionization isomerism, geometrical isomerism and optical isomerism
Correct Answer – (C)
Question 3:
Which of the following does not show optical isomerism?
(a) [Co(NH3)3Cl3]0
(b) [Co(en)Cl2(NH3)2]+
(c) [Co(en)3]3+
(d) [Co(en)2Cl2]+
(en = ethylenediamine)
Correct Answer – (A)
Question 4:
The existence of two different coloured complexes with the composition of [Co(NH3)4Cl2]+ is due to
(a) linkage isomerism
(b) geometrical isomerism
(c) coordination isomerism
(d) ionization isomerism
Correct Answer – (B)
Question 5:
In the silver plating of copper, K[Ag(CN)2] is used instead of AgNO3. The reason is
(a) a thin layer of Ag is formed on Cu
(b) more voltage is required
(c) Ag+ ions are completely removed from solution
(d) less availability of Ag+ ions, as Cu cannot displace Ag from [Ag(CN)2]– ion
Correct Answer – (D)
MCQ Questions Class 12 Coordination Compounds With Answers
Question 6:
Which one of the following is expected to exhibit optical isomerism? (en = ethylenediamine)
(a) cis-[Pt(NH3)2Cl2]
(b) trans-[Pt(NH3)2Cl2]
(c) cis-[Co(en)2Cl2]+
(d) trans-[Co(en)2Cl2]+
Correct Answer – (C)
Question 7:
Which of the following will give a pair of enantiomorphs?
(a) [Cr(NH3)6][Co(CN)6]
(b) [Co(en)2Cl2]Cl
(c) [Pt(NH3)4][PtCl6]
(d) [Co(NH3)4Cl2]NO2 (en = NH2CH2CH2NH2
Correct Answer – (B)
Question 8:
Which one of the following complexes is not expected to exhibit isomerism?
(a) [Ni(NH3)4(H2O)2]2+
(b) [Pt(NH3)2Cl2]
(c) [Ni(NH3)2Cl2]
(d) [Ni(en)3]2+
Correct Answer – (C)
Question 9:
The complex, [Pt(py)(NH3)BrCl] will have how many geometrical isomers?
(a) 3
(b) 4
(c) 0
(d) 2
Correct Answer – (A)
Question 10:
Which of the following statements is not correct?
(a) The complexes [NiCl4]2- and [Ni(CN)4]2- differ in the state of hybridisation ofnickel
(b) The complexes [NiCl4]2- and [Ni(CN)4]2-– differ in the magnetic properties
(c) The complexes [NiCl4]2- and [Ni(CN)4]2- differ in geometry
(d) The complexes [NiCl4]2- and [Ni(CN)4]2-– differ in primary valencies of nickel
Correct Answer – (D)
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