The pH of 0.1 M solution of the following salts increases in the order
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a
NaCl < NH4Cl < NaCN < HCl
b
HCl < NH4Cl < NaCl < NaCN
c
NaCN < NH4Cl < NaCl < HCl
d
HCl < NaCl < NaCN < NH4Cl
answer is B.
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Detailed Solution
NH4Cl Undergoes cationic hydrolysis, hence pH is < 7(4.6)NaCN undergoes anionic hydrolysis hence pH is > 7.(11)HCl is strong acid and NaCl is neutral solution.Hence the pH of given solutions will increases.HCl< NH4Cl