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

  • question_answer
    Pure water is kept in a vessel and it remains exposed to atmospheric \[C{{O}_{2}}\]which is absorbed, then its pH will be [MADT Bihar 1984; DPMT 2002]

    A)                 Greater than 7

    B)                 Less than 7

    C)                 7

    D)                 Depends on ionic product of water

    Correct Answer: B

    Solution :

                    \[C{{O}_{2}}\]is acidic oxide which on dissolution in water develops acidic nature.


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