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

  • question_answer
    The concentration of hydrogen ion \[[{{H}^{+}}]\] in 0.01 M  \[HCl\] is [EAMCET 1979]

    A)                 \[{{10}^{12}}\]  

    B)                 \[{{10}^{-2}}\]

    C)                 \[{{10}^{-1}}\]  

    D)                 \[{{10}^{-12}}\]

    Correct Answer: B

    Solution :

               \[[{{H}^{+}}]\]Concentration in 0.01M HCl is \[{{10}^{-2}}\]M because 0.01 M HCl have only \[{{H}^{+}}\]                                 \[HCl\]⇌ \[{{H}^{+}}+C{{l}^{-}}\].


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