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JEE Main & Advanced Chemistry Equilibrium / साम्यावस्था Sample Paper Topic Test - Ionic Equilibrium

  • question_answer
    The pH of solution, containing 0.1 N HCI and \[0.1\,N\,C{{H}_{3}}COOH\,({{K}_{a}}=2\times {{10}^{-5}})\] is

    A) 1

    B) 0.7

    C) 3

    D) 1.3

    Correct Answer: D

    Solution :

    [d] Dissociation of acetic acid \[(CH{{ & }_{3}}COOH)\] will be very less so \[{{H}^{+}}\] from \[HCl\]. \[PH=-{{\log }^{({{H}^{+}})}}=-\log ({{10}^{-1}})=1.\]


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