VMMC VMMC Medical Solved Paper-2009

  • question_answer
    Dissociation constant of a weak acid is decreased by

    A) addition of a strong acid

    B) addition of a salt of the above weak acid

    C) decreasing temperature

    D) dilution of the solution

    Correct Answer: C

    Solution :

    Dissociation constant is a constant and depends only upon temperature. It varies directly with temperature, ie, decreases with decrease in temperature.


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