First slide

Salt hydrolysis :

Question

Aqueous solution of which of the following shows lower pH ?

Easy

A

K₂SO₄
B

ZnCl₂
C

KCN
D

CH₃COONH₄

Solution

For a low P^H situation, the salt must be a salt of strong acid and weak base.
ZnCl₂ is a salt of stong acid (HCl) and weak base (Zn(OH)₂).

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