Highest covalent character is found in

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(D) According to $Fajan's$ rule,the covalent character of an ionic bond increases with the increase in the size of the anion. As we move down the grou

Vedclass · Accepted Answer

$CaI_2$

Vedclass · Answer

(D) According to $Fajan's$ rule,the covalent character of an ionic bond increases with the increase in the size of the anion. As we move down the group in the periodic table,the size of the halide ion increases in the order: $F^- Therefore,the polarizability of the anion increases,leading to an increase in the covalent character of the bond. Thus,$CaI_2$ has the highest covalent character among the given options.

Similar Questions

Which one of the following is a covalent molecule?

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

$STATEMENT-1$: Boron always forms covalent bonds.
Because
$STATEMENT-2$: The small size of $B^{3+}$ favors the formation of covalent bonds.

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