1.

Which one of the following is wronglymatched?

Answer»

`[Cu(NH_(3))_(4)]^(2+)` - square planar
`[NI(CO)_(4)]` - neutral ligand
`[Fe(CN)_(6)]^(3-)-sp^(3)d^(2)`
`[Co(en)_(3)]^(3+)` - follows EAN RULE.

Solution :`Fe^(3+): [Ar]3d^(5)4s^(0)`

HYBRIDISATION of `[Fe(CN)_(6)]^(3-)` is `d^(2)sp^(3)`.


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