Chemistry - Coordination Chemistry Question with Solution | TestHub

Ferrocyanide ion${\left[\mathrm{F}\mathrm{e}{\left(\mathrm{C}\mathrm{N}\right)}_6\right]}^{4-}$is diamagnetic in nature hence${\mathrm{K}}_4\left[\mathrm{F}\mathrm{e}{\left(\mathrm{C}\mathrm{N}\right)}_6\right]$complex has zero magnetic moment.
$\text{Fe}$atom${\text{3d}}^{\text{6}}{\text{4s}}^{\text{2}}{\text{4p}}^{\text{0}}$
$\text{Fe}\text{(II)}$
${\text{d}}^{\text{2}}{\text{sp}}^{\text{3}}$hybridisation