The correct order of ionic character is:

B e C l_{2} < M g C l_{2} < C a C l_{2} < B a C l_{2}

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M g C l_{2} < B e C l_{2} < B a C l_{2} < C a C l_{2}

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B e C l_{2} < B a C l_{2} < M g C l_{2} < C a C l_{2}

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B a C l_{2} < C a C l_{2} < M g C l_{2} < B e C l_{2}

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Solution

The correct option is A $B e C l_{2} < M g C l_{2} < C a C l_{2} < B a C l_{2}$
According to Fajans' rule, as the size of the cation decreases, the covalent character increases. The ionic character follows the order suggested by option (a).

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Similar questions

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