First slide

Salt hydrolysis :

Question

Equimolar solutions of the following substances were prepared separately. Which one of these, record the highest p^H value.

Easy

A

NaCl
B

BeCl₂
C

FeCl₃
D

AlCl₃

Solution

Basic strength order of NaOH > Al(OH)₃ ~ Be(OH)₂ > Fe(OH)₃
Aqueous solution of NaCl is neutral [P^H = 7] because it is a salt of strong acid and strong base the remaining 3 - aqueous solutions are acidic in nature as they salts of weak base acids [P^H < 7]

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