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AMU Medical AMU Solved Paper-1999

  • question_answer
    In the equilibrium \[{{A}^{-}}+{{H}_{2}}O\rightleftharpoons HA+O{{H}^{-}}\] \[({{K}_{a}}=1.0\times {{10}^{-5}})\] The degree of hydrolysis of 0.001 M solution of the salt is

    A)  \[{{10}^{-3}}\]              

    B)  \[{{10}^{-4}}\]

    C)  \[{{10}^{-5}}\]              

    D)  \[{{10}^{-6}}\]

    Correct Answer: B

    Solution :

    : Degree of hydrolysis\[=\sqrt{{{10}^{-5}}\times 0.001}\] \[={{10}^{-4}}\].


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