1.

Which of the following is/are paramagnetic ?

Answer»

`[Fe(CN)_(6)]^(4-)`
`[Ni(CO)_(4)]`
`[Ni(CN)_(4)]^(2-)`
`[CoF_(6)]^(3-)`

Solution :`[CoF_(6)]^(3-) implies SP^(3)d^(2),d^(6)` CONFIG.


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