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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.
Among the following sets, the one having the same geometry and same magnetic property for both complexes is

A

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

B

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

C

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

D

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

Text Solution

Verified by Experts

The correct Answer is:
D
`[Cr(CN)_(6)]^(3-),d^(2)sp^(3)` octahedral.
`[Cr(NH_(3))_(6)]:d^(2)sp^(3)` octabedral.
`:.` Both `CN^(-)` and `NH_(3)` are strong field ligands.
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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. The hybridisation of Cu in [CuCl_(4)]^(2-)&[Cu(NH_(3))_(4)]^(2+) are respectivly

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.

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CoF_(6)^(3-) is an example of high spin complex. Why?

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Ligand in a metal carbonyl complex is