Question

What is the correct electronic configuration of the central atom in K₄ [Fe(CN)₆] based on crystal field theory?

Answer 1

Fe+2 = 3d6

t2g = 6e

eg =0

CN Strong field ligend pairing takes place

Answer 2

Based on the crystal field theory the electronic configuration of the central atom in $\bold{K_{4}[Fe(CN)_{6}]}$  is $\bold{t^{6}_{2g}\,e_{g}^{o}}$.

Step by step explanation:

• Crystal field theory describes the electronic structure of metal crystal.
• It describes only the electronic structure of transition metal.
• And also describes the interactions between the metal ions and ligands.

The given complex - $\bold{K_{4}[Fe(CN)_{6}]}$

Central metal atom - Fe

Electronic configuration of central metal atom - $\bold{3d^{6}4s^{2}}$

$\bold{Fe^{2+}-3d^{6}4s^{0}}$

The electronic structure of transition metal is as follows.

(In attachment)

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