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Manipal Engineering Manipal Engineering Solved Paper-2008

  • question_answer
    When ammonium chloride is added to ammonia solution, the pH of the resulting solution will be

    A)  increased                          

    B)  seven

    C)  decreased    

    D)         unchanged

    Correct Answer: C

    Solution :

    Due to common ion effect, rate of ionization of\[N{{H}_{4}}OH\]decreases, so lower\[[O{{H}^{-}}]\]is obtained. Hence,\[pH\]value decreases.


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