Chemistry - Complete s-block Question with Solution | TestHub

$\mathrm{B}{\mathrm{e}}^{2+}$cation is very small in size and in terms of Fajan's rules brings about polarization of electronic cloud of anion$\left(\mathrm{C}{\mathrm{l}}^{-}\right)$i.e.$\mathrm{B}\mathrm{e}\mathrm{C}{\mathrm{l}}_2$is covalent in nature.