The aqueous solution of potash alum [K2SO4.Al2(SO4)3.24H20] is acidic due to
(A) hydrolysis of K+
(B) hydrolysis of SO42-
(C) hydrolysis of Al3+
(D) presence of acid in its crystal as impurity.
The aqueous solution of potash alum [K2SO4.Al2(SO4)3.24H20] is acidic due to hydrolysis of Al3+.
So, The correct option is (C).
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