AMU Medical AMU Solved Paper-1996

  • question_answer
    It is found that 0.1 M solutions of four sodium salts\[NaA,NaB,NaC\]and\[NaD\]have the following pH values

    A)  \[NaD\text{ }11.0\]        

    B)  \[NaC\text{ }10.0\]

    C)  \[NaB\text{ }9.0\]         

    D)  \[NaA\text{ }7.0\]

    Correct Answer: D

    Solution :

    [a], [b] and [c] are basic solutions. Hence, their acids are weak. [d] is a salt of strong acid with strong base. Which one of the corresponding acids is strongest?


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