Which of the following has the highest ionic character?

Options

A. `MgCI_(2)`
B. `CaCI_(2)`
C. `BaCI_(2)`
D. `BeCI_(2)`

Answer

C

Explanation

Of all alkaline earth metal ions .`Ba^(2+)` is the largest . Since the anion is the same with all the four, according to Fajans' rule. `BaCI_(2)` will have the highest ionic character.