JEE Main & Advanced Chemistry Equilibrium Question Bank Common ion effect, Isohydric solutions, Solubility product, Ionic product of water and salt hydrolysis

  • question_answer Which of the following salts when dissolved in water will get hydrolysed [MNR 1985; CPMT 1989; CBSE PMT 1989; MP PET 1999]

    A)                 \[NaCl\]              

    B)                 \[N{{H}_{4}}Cl\]

    C)                 \[KCl\] 

    D)                 \[N{{a}_{2}}S{{O}_{4}}\]

    Correct Answer: B

    Solution :

               \[N{{H}_{4}}Cl\]is hydrolysed and give \[[{{H}^{+}}]\]                    \[N{{H}_{4}}Cl+H.\,OH\]⇌ \[N{{H}_{4}}OH+HCl\]                                 \[N{{H}_{4}}^{+}+H.\,OH\]⇌\[N{{H}_{4}}OH+{{H}^{+}}\]


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