In Fe(CO)_5,the Fe-C bond possesses | vedclass

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(D) In $Fe(CO)_5$,the $Fe-C$ bond is formed by the donation of a lone pair of electrons from the $CO$ ligand into the empty $d$-orbitals of the $Fe$ a

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both $\sigma$ and $\pi$ characters

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(D) In $Fe(CO)_5$,the $Fe-C$ bond is formed by the donation of a lone pair of electrons from the $CO$ ligand into the empty $d$-orbitals of the $Fe$ atom,which creates a $\sigma$-bond. Additionally,there is back-bonding where electrons from the filled $d$-orbitals of the $Fe$ atom are donated into the empty antibonding $\pi^*$-orbitals of the $CO$ ligand,which creates a $\pi$-bond. Therefore,the $Fe-C$ bond possesses both $\sigma$ and $\pi$ characters.

In $Fe(CO)_5$,the $Fe-C$ bond possesses

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