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What is the correct electronic configura...

What is the correct electronic configuration of the central atom in `K_(4)[Fe(CN)_(6)]` based on crystal field theory

A

`e^(4)t_(2)^(2)`

B

`t_(2g)^(4)e_(g)^(2)`

C

`t_(2g)^(6)e_(g)^(0)`

D

`e^(3)t_(2)^(3)`

Text Solution

Verified by Experts

The correct Answer is:
C
`K_(4)[Fe(CN)_(6)]`
`4(+1)+x+6(-1)=0`
`x=+2`

`Fe^(2+)=[Ar]3d^(6)4s^(0)`
`CN^(-)` is a strong ligand due to this pairing of e occur
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