AIPMT MAINS2009Chemistry-Coordination Compounds
AIPMT MAINS 2009 Chemistry Isomerism in Coordination Compounds MCQ Question
Type: MCQ-conceptual-Medium-Class 12
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
Option A
Detailed Explanation
Optical isomerism is not shown by complexes that have a plane of symmetry. [CO(NH₃)₃Cl₃]₀ is a symmetrical complex and does not have chiral centers, hence it does not show optical isomerism.
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