In Fe(CO)_5,which type of bond does the CO li | vedclass

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(C) In metal carbonyls like $Fe(CO)_5$,the $CO$ ligand acts as a $\sigma$-donor and a $\pi$-acceptor. $1$. The lone pair on the $C$ atom of $CO$ is do

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Both $\sigma$ and $\pi$-bonds

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(C) In metal carbonyls like $Fe(CO)_5$,the $CO$ ligand acts as a $\sigma$-donor and a $\pi$-acceptor. $1$. The lone pair on the $C$ atom of $CO$ is donated into the empty $d$-orbital of $Fe$ to form a $\sigma$-bond. $2$. Simultaneously,the filled $d$-orbital of $Fe$ donates electron density into the empty antibonding $\pi^*$-orbital of $CO$,forming a $\pi$-backbond. This synergistic bonding stabilizes the metal-carbon bond.

In $Fe(CO)_5$,which type of bond does the $CO$ ligand form with $Fe$?

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