Which of the following is not true about pota | vedclass

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(B) Potash alum,$K_2SO_4 \cdot Al_2(SO_4)_3 \cdot 24H_2O$,is a double salt. Its aqueous solution is acidic due to the hydrolysis of $Al^{3+}$ ions,whi

Vedclass · Accepted Answer

Its aqueous solution is basic

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(B) Potash alum,$K_2SO_4 \cdot Al_2(SO_4)_3 \cdot 24H_2O$,is a double salt. Its aqueous solution is acidic due to the hydrolysis of $Al^{3+}$ ions,which produces $H^+$ ions. Therefore,the statement that its aqueous solution is basic is incorrect. It is widely used in dyeing industries as a mordant and it melts in its water of crystallization upon heating.

Which of the following is not true about potash alum?

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