AIPMT 2009 Physics and Chemistry Paper

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Question : 80 of 100

Marks: +1, -0

Which of the following does not show optical isomerism -

[Co(en)3]3+
[Co(‌ en ‌)2‌Cl2]+
[Co(NH3)3‌Cl3]∘
[Co(en)‌Cl2(NH3)2]+ (en = Ethylenediamine)

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