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  4. The correct hybridization of Fe in complex mathrmK3[ mathrmFe( mathrmCN)6] is

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Q. The correct hybridization of $Fe$ in complex $\mathrm{K}_3\left[\mathrm{Fe}(\mathrm{CN})_6\right]$ is

NTA AbhyasNTA Abhyas 2020Coordination Compounds

Solution:

$K _{3}\left[ Fe ( CN )_{6}\right]$

Electronic configuration of $Fe=\left[\right.Ar\left]\right.4s^{2}3d^{6}$

Electronic configuration of $Fe^{+ 3}=\left[\right.Ar\left]\right.3d^{5}$

Number of ligand (coordination numbr) $=6$

Nature of ligand is strong field.

Solution

Hybridization of $Fe$ is $d^{2}sp^{3}$ .