Which of the following complexes can form d and l isomers ?
A. `[Co(NH_(3))_(4)Cl_(3)]^(+)`
B. `[Co(NH_(3))_(2)Cl_(3)]`
C. trans-`[Co(en)_(2)Cl_(2)]`
D. cis-`[Co(en)_(2)Cl_(2)]^(+)`

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1 Answers

Correct Answer - D
cis form of `[Co(en)_(2)Cl_(2)]^(+)` shows optical isomerism while trans form will not.

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