The pH of 0.1 M solution of the following salts increases in the order

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NaCl < NH4Cl < NaCN < HCl

HCl < NH4Cl < NaCl < NaCN

NaCN < NH4Cl < NaCl < HCl

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

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