1.

Which of the following is parammagnetic ?

Answer»

`[CO(NH_(3))_(6)]^(3+)`
`[Ni(CO)_(4)]`
`[NiF_(4)^(2-)]`
`[Ni(CN)_(4)]^(2-)`

SOLUTION :(c) `[NiF_(4)]^(2-)` has 2 unpairedelectrons, hence it SHOWS paramagnetic behaviour.


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