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CGP EDU Academic Team
Published on: August 11, 2026
The pH of 0.1 M solution of the following salts increases in the order
Text Solution
Verified by ExpertsThe correct answer is:
B
HCl < NH 4 Cl < NaCl < NaCN
HCl: Strong acid (low pH)
NH 4 Cl : Salt of weak base + strong acid 
it gives acidic solution. (pH less than 7)
NaCl: Salt of strong base + strong base 
it gives neutral solution with pH = 7.
NaCl: Salt of strong base + weak acid 
it gives basic solution with pH > 7.
Thus the increasing order of pH is HC1 < NH 4 C1 < NaCl < NaCN
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