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

  • question_answer
    The concentration of \[NaOH\] solution is\[{{10}^{-8}}\,M.\] Find out the \[(O{{H}^{-}})\] concentration               [CPMT 1993]

    A)                 \[{{10}^{-8}}\]  

    B)                 Greater than \[{{10}^{-6}}\]

    C)                 \[{{10}^{-6}}\]

    D)                 Lies between  \[{{10}^{-6}}\]and \[{{10}^{-7}}\]

    Correct Answer: A

    Solution :

                    NaOH ⇌ \[N{{a}^{+}}+O{{H}^{-}}=[O{{H}^{-}}]={{10}^{-8}}\]MMM.


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