SATHEE: Coordination Compounds - Result Question 39

Coordination Compounds - Result Question 39

####41. What is the correct electronic configuration of the central atom in $K_{4} [F e (C N)_{6}]$ based on crystal field theory?

[2019]

(a) $t_{2 g}^{4} e_{g}^{2}$

(b) $t_{2 g}^{6} e_{g}^{0}$

(c) $e_{g}^{3} t_{2 g}^{3}$

(d) $e_{g}^{4} t_{2 g}^{2}$

Show Answer

Solution:

(b)

$C N^{-}$ is a strong field ligand and causes pairing of electrons.

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