The covalent alkaline earth metal halide
(X = Cl, Br, I) is
Select the correct option:
A
$\mathrm{BeX}_2$
B
$\mathrm{SrX}_2$
C
$\mathrm{CaX}_2$
D
$M g X_2$
✓ Correct! Well done.
✗ Incorrect. Try again or view the solution.
Solution
According to rajan s rule, graeter the polarising power of cation greater would be the covalent character. Since $\mathrm{Be}^{2+}$ has maximum polarising power among given cation, therefore, $\mathrm{BeX}_2$ would be most covalent among given alkaline with metal halides.
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