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The complex showing a spin -magnetic mom...

The complex showing a spin -magnetic momnet of `2.82 BM` is .

A

`Ni(CO)_(4)`

B

`[NiCl_(4)]^(2-)`

C

`Ni(PPh_(3))_(4)`

D

`[Ni(CN)_(4)]^(2-)`

Text Solution

Verified by Experts

The correct Answer is:
B
(b) Configuration of `Ni^(2+)" ion "(3d^(8))` is

It has two unpaired electrons (n) =2
`M_(H)=sqrt(n(n+2))=sqrt(2(2+2))BM=2.82BM`
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