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J & K CET Medical J & K - CET Medical Solved Paper-2006

  • question_answer
    Consider the following solutions of equal concentrations: \[A=N{{H}_{4}}Cl\]                          \[B=C{{H}_{3}}COONa\] \[C=N{{H}_{4}}OH\]        \[D=C{{H}_{3}}COOH\] A buffer solution can be obtained by mixing equal volumes of:

    A)  C and D                               

    B)  A and B

    C)  A and C                               

    D)  C and D

    Correct Answer: C

    Solution :

                    A solution with reserve acidity or basicity is known as buffer solution. It is of two types: (I) Acidic buffer solution: A mixture of weak acid and its salt with strong base. e.g., \[C{{H}_{3}}COOH+C{{H}_{3}}COONa\] (II) Basic buffer solution: A mixture of a weak base and its salt with strong acid. e.g, \[N{{H}_{4}}OH+N{{H}_{4}}Cl\]


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