[Mn(CO)_4 NO] is diamagnetic because | vedclass

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(C) The complex $[Mn(CO)_4 NO]$ is diamagnetic because $NO$ acts as a $NO^+$ ligand (nitrosonium ion).In this complex,the oxidation state of $Mn$ is $

Vedclass · Accepted Answer

$NO$ is present as positive ligand

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(C) The complex $[Mn(CO)_4 NO]$ is diamagnetic because $NO$ acts as a $NO^+$ ligand (nitrosonium ion).In this complex,the oxidation state of $Mn$ is $-1$.The electronic configuration of $Mn^-$ is $3d^6 4s^2$,which becomes $3d^8$ after hybridization with $CO$ and $NO^+$ ligands.Since all electrons are paired in the $d$-orbitals,the complex is diamagnetic.

$[Mn(CO)_4 NO]$ is diamagnetic because

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