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In which compound synergic effect is pre...

In which compound synergic effect is present ?

A

`[Ni(CO)_(4)]`

B

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

C

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

D

`[Mn(H_(2)O)_(6)]^(2+)`

Text Solution

Verified by Experts

The correct Answer is:
A
In `pi` acid ligand back bonding also take place which in value filled orbitals of metal and vacant orbitals of ligand this is synergic effect.
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