1.

Which of the following is/are paramagnetic complex(es)?

Answer»

`[FE(NH_(3))_(6)]^(2+)`
`[Co(H_(2)O)_(6)]^(3+)`
`[Fe(CO)_(5)]`
`[Co(NH_(3))_(6)]^(2+)`

Solution :(a) `t_(2g)^(2,1,1)e_(g)^(1,1)`
(d) `SP^(3)d^(2)` with u.p.`E^(-)` in 3d.


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