1.

Which of the following statement is correct for the complex K_(4)[Fe(CN)_(5)O_(2)] ? [Fe having t_(2g)^(6)e_(g^(0)) configuration ]

Answer»

`d^(2)sp^(3)` and diamagnetism
`sp^(3)d^(2)` and diamagnetism
`d^(2)sp^(3)` and paramagnetism
`sp^(3)d^(2)` and paramagnetism

Solution :`K_(4)[overset(2+)FE(CN)_(5)(overset(-1)O_(2))]^(4-)`
`d^(6) to d^(2)sp^(3)` and PARAMAGNETIC due to `O_(2)^(-)`.


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