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JCECE Engineering JCECE Engineering Solved Paper-2007

  • question_answer
    The \[pH\] of a \[0.001\,\,M\] solution of \[HCl\] is

    A) \[0\]                                     

    B) \[3\]

    C) \[5\]                                     

    D)  \[10\]

    Correct Answer: B

    Solution :

    \[[{{H}^{+}}]=0.001\]   \[pH=-\log [{{H}^{+}}]\]                 \[=-\log [{{10}^{-3}}]\]                 \[=3\]


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