Which of the following compounds shows optical isomerism? - Chemistry MCQ AIEEE 2026 | ExamTest.live | ExamTest.live

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Which of the following compounds shows optical isomerism?

A $[Cu (NH_{3})_{4}]^{2 +}$
B $[ZnCl_{4}]^{2 -}$
C $[Cr (C_{2} O_{4})_{3}]^{3 -}$
D $[Co (CN)_{6}]^{3 -}$

Solution & Step-by-step Explanation

Optical isomerism is common in octahedral complexes with bidentate ligands. [Cr (C_{2} O_{4})_{3}]^{3 -} is an octahedral complex with three bidentate oxalate ligands.This type of complex (M (AA)_{3}) exists as a pair of non-superimposable mirror images (enantiomers) because it lacks a plane of symmetry.

Practice this question

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Which of the following compounds shows optical isomerism?

A

[Cu (NH_{3})_{4}]^{2 +}

B

[ZnCl_{4}]^{2 -}

C

[Cr (C_{2} O_{4})_{3}]^{3 -}

D

[Co (CN)_{6}]^{3 -}

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Coordination Compounds Optical Isomerism

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