1.

Which of the following complex will be paramagnetic ? (Assume all central atom have t_(2g)^(6)e_(g^(0)) configuration).

Answer»

`[FECL(CN)_(4)(O_(2))]^(4-)`
`K_(4)[FeCl(CN)_(6)]Cl`
`K_(4)[(NH_(3))_(6)]Cl_(3)`
`[Fe(CN)_(5)(O_(2))]^(-5)`

SOLUTION :`[overset(+2)Feoverset(-1)Cl(overset(-4)CN)_(4)(underset("paramagnetic")underset(darr)(overset(-1)O_(2)))]^(4-)`


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