Chemistry - Carbonyl compounds Question with Solution | TestHub

Here$[\mathrm{N}\mathrm{i}\mathrm{C}{\mathrm{l}}_4{]}^{2-}$is tetrahedral as$\mathrm{N}{\mathrm{i}}^{2+}$has$\mathrm{s}{\mathrm{p}}^3$hybridisation here. Rest other are square planar complexes with$\mathrm{d}\mathrm{s}{\mathrm{p}}^2$hybridisation.