1.

All the following complexes show a decrease in their weights when placed in a magnetic balance. Then Which of these has square planar geometry?

Answer»

`Ni(CO)_(4)`
`K[AgF_(4)]`
`Na_(2)[ZN(CN)_(4)]`
None of these

Solution :`overset(+1)K[overset(+3)AgF_(4)]implies d^(8)`
Although, `F^(-)` is a WFL, but DUE to high charge on `Ag(+3),C.F.S.E.uparrow`


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