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Amongst Ni (CO)4, [Ni(CN)4]^(2-) and [Ni...

Amongst `Ni (CO)_4, [Ni(CN)_4]^(2-)` and `[NiCl_4]^(2-)`

A

`Ni(CO)_(4) and [NiCl_(4)]^(2-)` are diamagnetic and `[Ni(CN)_(4)]^(2-)` is paramagnetic.

B

`[NiCl_(4)]^(2-),[NiCN)_(4)^(2-)` are diamagnetic and `[Ni(CO)_(4)]` is paramagnetic.

C

`Ni(CO)_(4) and [Ni(CN)_(4)]^(2-)` are diamagnetic and `[NiCl_(4)]^(2-) `is paramagnetic.

D

All the three are diamagnetic

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