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JEE Main & Advanced Chemistry Equilibrium / साम्यावस्था Question Bank Hydrogenion concentration pH scale and buffer solution

  • question_answer
    The \[pH\] value of \[0.1\,\,M\,\,NaOH\] solution is (when there is a given reaction \[[{{H}^{+}}]\,[O{{H}^{-}}]={{10}^{-15}}\])   [CPMT 1997]

    A)                 13          

    B)                 12

    C)                 11          

    D)                 2

    Correct Answer: A

    Solution :

               \[[O{{H}^{-}}]={{10}^{-1}}M\];\[pOH=1\]                                 \[pH+pOH=14\] ; \[pH=14-1=13\].


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