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

  • question_answer
    A solution of weak acids is diluted by adding an equal volume of water. Which of the following will not change [JIPMER 1997]

    A)                 Strength of the acid

    B)                 The value of \[[{{H}_{3}}{{O}^{+}}]\]

    C)                 \[pH\]of the solution

    D)                 The degree of dissociation of acid

    Correct Answer: B

    Solution :

               The value of \[{{H}_{3}}{{O}^{+}}\]ions will not change.                                 \[C{{H}_{3}}COOH+{{H}_{2}}O\] ⇌ \[C{{H}_{3}}CO{{O}^{-}}+{{H}_{3}}{{O}^{+}}\].


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