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JIPMER Jipmer Medical Solved Paper-2003

  • question_answer
    The pH of a solution is 5.0. If\[{{H}^{+}}\]ion concentration is decreased 100 times. Then the solution will be:

    A)  neutral

    B)  more acidic

    C)  basic

    D)  of the same acidity

    Correct Answer: A

    Solution :

    pH of the solution = 5 \[[{{H}^{+}}]={{10}^{-5}}M\] On decreasing the \[{{H}^{+}}\] ion concentration 100 times the \[[{{H}^{+}}]\] becomes \[=\frac{{{10}^{-5}}}{100}={{10}^{-7}}M\] Now pH = 7, which signifies a neutral solution.


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