1.

In which of the following pairs both the complexes show optical isomerism?

Answer»

`Cis-[CrCl_(2)(OX)_(2)]^(2-),"trans"-[CrCl_(2)(OX)_(2)]^(3-)`
`[Fe(NH_(3))_(2)(CN)_(4)]^(-)[Fe(EN)_(3)]^(3+)`
`Cis-[Pt(en)_(2)Cl_(2)]^(2+),[Co(en)_(3)]^(3+)`
`Cis-[Co(NH_(3))_(4)(NO_(2))_(2)]^(+),cis(Cr(GLY)_(3)]`

SOLUTION :


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