A) \[N{{a}_{2}}S{{O}_{4}}\]
B) \[N{{H}_{4}}Cl\]
C) \[NaCl\]
D) \[CaC{{l}_{2}}\]
Correct Answer: B
Solution :
Salts of (strong acid + weak base) or (weak acid +strong base), undergo hydrolysis, as they give same acid and base, on hydrolysis, by which they had been formed and thus show either alkalinity or acidity in solution. Among these salts, only \[N{{H}_{4}}Cl\] will undergo hydrolysis as it shows acidity in solution \[N{{H}_{4}}Cl\xrightarrow{{{H}_{2}}O}\underset{weak\,base}{\mathop{N{{H}_{4}}OH}}\,+\underset{strong\,acid}{\mathop{HCl}}\,\]
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