RAJASTHAN PMT Rajasthan - PMT Solved Paper-2005

  • question_answer Which one of the following pair shows Buffers solution?

    A) \[NaCl+NaOH\]

    B) \[C{{H}_{3}}COONa+C{{H}_{3}}COOH\]

    C) \[C{{H}_{3}}COOH+C{{H}_{3}}COON{{H}_{4}}\]

    D) \[{{H}_{2}}S{{O}_{4}}+CuS{{O}_{4}}\]

    Correct Answer: B

    Solution :

    The Buffers solutions are those solutions which resists the change in its \[pH\] value on addition of small amount of a base or an acid. \[C{{H}_{3}}COOH\] and \[C{{H}_{3}}COONa\] solution is Buffers solution because it is a solution of weak acid and its slat with strong base.

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