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Which of the following is not optically active –
A
[Co(en)₃]³⁺
B
[Cr(ox)₃]³⁻
C
cis-[CoCl₂(en)₂]⁺
D
trans-[CoCl₂(en)₂]⁺
Explanation
trans-[CoCl₂(en)₂]⁺ possesses a plane of symmetry and is optically inactive.
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