Which of the following complex ions will not show optical isomerism?
A
[Pt()Br](Cl)(I)(NO2)(py)]NH3
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B
cis−[Co(en)2Cl2]+
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C
[Co(en)(NH3)2Cl2]+
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D
[Cr(NH3)4C2O4]+
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Solution
The correct option is A[Pt()Br](Cl)(I)(NO2)(py)]NH3 Octahedral complex in the form [M(abcdef)] has 15 different geometrical isomers with a pair of enantiomers. So the complex ion who will not show optical isomerism is[Pt()Br](Cl)(I)(NO2)(py)(NH3