1.

Which of the following pairs show coordination isomerism?

Answer»

`[Co(NH_(3))_(6)][Cr(CN)_(6)] and [Cr(NH_(3))_(6)][Co(CN)_(6)]`
`[Co(NH_(3))_(3)(H_(2)O)_(2)Cl]Br_(2) and [Co(NH_(3))_(3)(H_(2)O)Cl*Br]Br*H_(2)O`
`[Pt(NH_(3))_(4)Cl_(2)]Br_(2) and [Pt(NH_(3))_(3)B_(2)]Cl_(2)`
`[Co(NH_(3))_(3)(CN)_(3)][Co(NH_(3))_(3)(CN)_(3)]`

Solution :COORDINATION isomerism OCCURS when both cation and ANION are complex, CAUSED DUE to interchange of ligands between two complex ions of the same complex.


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