The aqueous solution of $A I C l_{3}$ is acidic due to

Cation hydrolysis

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Anion hydrolysis

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Hydrolysis ofboth anion and cation

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Dissociation

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Solution

The correct option is C Cation hydrolysis
Aq. solution of $A l C l_{3}$ dissociates as
$A l C l_{3} \to A l^{+ 3} + 3 C l^{-}$
$A l C l_{3} + H_{2} O \to A l (O H)_{3} + 3 H C l$
weak base acid strong

So solution is acidic due to cation hydrolysis.

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