Chemistry - CHEMICAL BONDING Question with Solution | TestHub

The charge/size ratio of a cation determines its polarizing power. Which one of the following sequences represents the increasing order of the polarizinig order of the polarizing power of the cationic species, ${\mathrm{K}}^{+},{\mathrm{Ca}}^{2+},{\mathrm{Mg}}^{2+},{\mathrm{Be}}^{2+}$ ?