The d-orbitals participating in hybridis...

The d-orbitals participating in hybridisation of metal atom may be from the n & (n-1) shell. This depends on the nature of metal and nature of ligand. The complexes involving the inner d-level (inner orbital complexes) results when the ligand is a powerful (or) strong ligand results in a diamagnetic (or) low spin complexes. A weak ligand usually results in the formation of outer orbital complex (or) high spin complex.
The hybridisation of Cu in `[CuCl_(4)]^(2-)&[Cu(NH_(3))_(4)]^(2+)` are respectivly

`dsp^(2),dsp^(2)`

`sp^(3),dsp^(2)`

`sp^(3),sp^(3)`

`dsp^(2),sp^(3)`

Verified by Experts

The correct Answer is:

Cu undergoes `sp^(3)` hybridization in `[CuCl_(4)]^(2-)`

In `[Cu(CN)_(4)]^(2-)`, rearrangement of unpaired `e^(-)` takes place as shown and Cu undergoes `dsp^(2)` hybridisation.

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The d-orbitals participating in hybridisation of metal atom may be from the n & (n-1) shell. This depends on the nature of metal and nature of ligand. The complexes involving the inner d-level (inner orbital complexes) results when the ligand is a powerful (or) strong ligand results in a diamagnetic (or) low spin complexes. A weak ligand usually results in the formation of outer orbital complex (or) high spin complex. Number of unpaired electrons present in [Fe(CN)_(6)]^(4-)&[Fe(H_(2)O)_(6)]^(2+) are respectively.

4,4

0,0

0,4

2,4

`[Mn(CN)_(6)]^(3-)&[MnF_(e)]^(3-)`

`[Co(CN)_(6)]^(3-)&[CoF_(6)]^(3-)`

`[Fe(CN)_(6)]^(4-)&[Fe(H_(2)O)_(6)]^(2+)`

`[Cr(CN)_(6)]^(3-)&[Cr(NH_(3))_(6)]`

`[Fe(CN)_6]^(3-)`

`[Fe(CN)_6]^(4-)`

`[FeF_6]^(3-)`

`[Cr(CN)_6]^(3-)`