Which of the following descriptions about `[FeCl_(6)]^(4-)` is correct about the complex ion ?A. `sp^(3) d` , inner orbital complex , diamagneticB. `sp^(3) d^(2)` , outer orbital complex , paramagneticC. `d^(2) sp^(3)` , inner orbital complex , paramagneticD. `d^(2) sp^(3)` , outer orbital complex , diamagnetic .

Which of the following descriptions about `[FeCl_(6)]^(4-)` is correct

1.	Which of the following descriptions about `[FeCl_(6)]^(4-)` is correct about the complex ion ?A. `sp^(3) d` , inner orbital complex , diamagneticB. `sp^(3) d^(2)` , outer orbital complex , paramagneticC. `d^(2) sp^(3)` , inner orbital complex , paramagneticD. `d^(2) sp^(3)` , outer orbital complex , diamagnetic .
Answer» Correct Answer - B In `[FeCl_(6)]^(4-)` oxidation state of `Fe = + 2 , Fe^(2+) = 3d^(6)` `[FeCl_(6)]^(4-) : Paramagnetic due to presence of four unpaired electrons .

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