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

  • question_answer Hydrolysis constant for a salt of weak acid and weak base would be                                         [RPMT 1999]

    A)                 \[{{K}_{h}}=\frac{{{K}_{w}}}{{{K}_{a}}}\]              

    B)                 \[{{K}_{h}}=\frac{{{K}_{w}}}{{{K}_{b}}}\]

    C)                 \[{{K}_{h}}=\frac{{{K}_{w}}}{{{K}_{a}}{{K}_{b}}}\]            

    D)                 None of these

    Correct Answer: C

    Solution :

                    \[{{K}_{h}}=\frac{{{K}_{w}}}{{{K}_{a}}\times {{K}_{b}}}\]

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