JIPMER Jipmer Medical Solved Paper-1995

  • question_answer
    A solution of weak acid is diluted by adding an equal volume of water. Which of the following will not change?

    A)  Strength of the acid

    B)         The value of \[[{{H}^{+}}]\]

    C)         pH of the solution

    D)         The degree of dissociation of acid

    Correct Answer: B

    Solution :

    On adding equal volume of water, the degree of dissociation of acid also increases (according to Ostwalds law), hence, the concentration of \[{{H}^{+}}\]ions remains almost constant.


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