Which of the following pairs of salts undergo hydrolysis?...
Which of the following pairs of salts undergo hydrolysis?
AlCI3 and NH4CI
AICI3 and NaCI
FeCI3 and KCI
Na2SO4 and K2 SO4
Correct answer is A
Salt hydrolysis is a reaction in which one of the ions from a salt reacts with water, forming either an acidic or basic solution.Salts can be hydrolyzed in water, If the salts at least consist of one weak base or weak acid, they can be hydrolyzed. On the other hand, if the salts are from a strong base and acid, they cannot be hydrolyzed.
Al and NH4 are from weak base Al(OH)3 and NH4OH respectively while Cl is from a strong acid HCl
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