For BCl_{3}, AlCl_{3} and GaCl_{3}, the incre | vedclass

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Question

(A) According to $Fajan's$ rule, the ionic character is inversely proportional to the polarising power of the cation. Polarising power depends on the

Vedclass · Accepted Answer

$BCl_{3} < AlCl_{3} < GaCl_{3}$

Vedclass · Answer

(A) According to $Fajan's$ rule, the ionic character is inversely proportional to the polarising power of the cation. Polarising power depends on the charge density of the cation. As the size of the cation increases $(B^{3+} Therefore, the ionic character increases as the size of the cation increases. The correct order of ionic character is $BCl_{3} < AlCl_{3} < GaCl_{3}$.

For $BCl_{3}$, $AlCl_{3}$ and $GaCl_{3}$, the increasing order of ionic character is:

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