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

  • question_answer
    The \[pH\] of \[{{10}^{-7}}N\,HCl\] is      [RPMT 2000]

    A)                 6.0         

    B)                 6.97

    C)                 8.0         

    D)                 10.0

    Correct Answer: B

    Solution :

               \[{{10}^{-7}}N\,\,HCl\,\,\,\,\text{means}\,\,\,\text{(}{{H}^{+}})={{10}^{-7}}\]M                                 \[pH=-\log ({{H}^{+}}),\,\,\,\,\,\,\,pH=7\]


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