1.

Which of the following is not optically active?

Answer»

cis - `[Rh(en)_(2)Cl_(2)]`
`[Cr(o x)_(3)]^(3-)`
trans - `[Co(en)_(2)Cl_(2)]+`
`[Co(en)(NH_(3))_(2)Cl_(2)]^(+)`.

Answer :C


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