Which complex compound possesses sp^3d^2 hybr | vedclass

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(A) In $[Fe(Cl)_6]^{3-}$,the oxidation state of $Fe$ is $+3$. The electronic configuration of $Fe^{3+}$ is $[Ar] 3d^5$. Since $Cl^-$ is a weak field l

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$[Fe(Cl)_6]^{3-}$

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(A) In $[Fe(Cl)_6]^{3-}$,the oxidation state of $Fe$ is $+3$. The electronic configuration of $Fe^{3+}$ is $[Ar] 3d^5$. Since $Cl^-$ is a weak field ligand,it does not cause pairing of electrons in the $3d$ orbitals. Therefore,the $3d$ electrons remain unpaired,and the complex utilizes the $4s$,$4p$,and $4d$ orbitals for hybridization,resulting in $sp^3d^2$ hybridization. This is an outer orbital complex. In contrast,$[Fe(CN)_6]^{3-}$,$[Fe(CN)_6]^{4-}$,and $[Fe(NH_3)_6]^{3+}$ involve strong field ligands (or specific electronic conditions) that lead to $d^2sp^3$ hybridization (inner orbital complexes).

Which complex compound possesses $sp^3d^2$ hybridisation?

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