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JEE Main & Advanced Sample Paper JEE Main - Mock Test - 21

  • question_answer
    The pH value for \[1/1000\text{ }NKOH\]solution is :

    A) 3       

    B)                    \[10-11\]  

    C)  1        

    D)        11

    Correct Answer: D

    Solution :

    In \[N/1000\,\,KOH,\] \[[O{{H}^{-}}]={{10}^{-3}}M\] \[pOH=-\log [O{{H}^{-}}]=-\log {{10}^{-3}}=3\] \[pH=14-pOH=14-3=11\]


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