Which of the following does not show optical isomerism ?A. `[Co(en)_(3)]^(3+)`B. `[Co(en)_(2)Cl_(2)]^(+)`C. `[Co(NH_(3))_(3)Cl_(3)]^(0)`D. `[Co(en)Cl_(2)(NH_(3))_(2)]^(+)`

Which of the following does not show optical isomerism ?A. `[Co(en)_(3

1.	Which of the following does not show optical isomerism ?A. `[Co(en)_(3)]^(3+)`B. `[Co(en)_(2)Cl_(2)]^(+)`C. `[Co(NH_(3))_(3)Cl_(3)]^(0)`D. `[Co(en)Cl_(2)(NH_(3))_(2)]^(+)`
Answer» Correct Answer - C As complex of the type `[MA_(3)B_(3)]` can show geometrical isomerism knowa as facmer isomerism and not optical isomerism . So here `[Co(NH_(3))_(3)Cl_(3)]^(0)` can not show optical isomerism.

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Which of the following does not show optical isomerism ?A. `[Co(en)_(3)]^(3+)`B. `[Co(en)_(2)Cl_(2)]^(+)`C. `[Co(NH_(3))_(3)Cl_(3)]^(0)`D. `[Co(en)Cl_(2)(NH_(3))_(2)]^(+)`

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