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JEE Main & Advanced Chemistry Equilibrium / साम्यावस्था Question Bank Critical Thinking

  • question_answer
    A 0.1N solution of an acid at room temperature has a degree of ionisation 0.1. The concentration of \[O{{H}^{-}}\] would be                 [MH CET 1999]

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

    B)                 \[{{10}^{-11}}M\]

    C)                 \[{{10}^{-9}}M\]              

    D)                 \[{{10}^{-2}}M\]

    Correct Answer: A

    Solution :

               \[[{{H}^{+}}]=C\times \alpha =0.1\times 0.1={{10}^{-2}}M\]                                 pH = 2; pOH = 12 ; \[[O{{H}^{-}}]={{10}^{-12}}M\].


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