Which of the following is a pi-acid ligand? | vedclass

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Question

(B) $\pi$-acid ligand (also known as a $\pi$-acceptor ligand) is a ligand that can accept electron density from the metal atom into its empty $\pi^*$

Vedclass · Accepted Answer

$CO$

Vedclass · Answer

(B) $\pi$-acid ligand (also known as a $\pi$-acceptor ligand) is a ligand that can accept electron density from the metal atom into its empty $\pi^*$ antibonding orbitals.$CO$ (Carbon monoxide) is a classic example of a $\pi$-acid ligand because it possesses empty $\pi^*$ orbitals that can accept electron density from the metal $d$-orbitals,forming a metal-carbon backbond.$NH_3$,$gly$ (glycinate),and ethylenediamine are $\sigma$-donor ligands.

Which of the following is a $\pi$-acid ligand?

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