Chemistry - Coordination Chemistry Question with Solution | TestHub

Number of incorrect statements are‐
$\left(\mathrm{A}\right)$The$\mathrm{\pi }$bond between metal and carbonyl carbon reduces the bond order of$\mathrm{C}-\mathrm{O}$in carbon monoxide
($\mathrm{B})\mathrm{}\mathrm{d}{\mathrm{z}}^2$orbital of central metal atom/ ion is used in$\mathrm{d}\mathrm{s}{\mathrm{p}}^2$hybridisation.
$\left(\mathrm{C}\right)\mathrm{}\mathrm{C}{\mathrm{N}}^{-}$is a$\mathrm{\pi }‐$acid Ligand.
$\left(\mathrm{D}\right)\mathrm{}$All negative ligands are stronger than neutral ligands.