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Manipal Engineering Manipal Engineering Solved Paper-2014

  • question_answer
    An aqueous solution of phosphoric acid, \[\hat{i}+2\hat{j}-\hat{k}\]being titrated has molarity equal to 0.25 M. Which of the following could be normality of this solution?

    A)  0.25 N                 

    B)  0.50 N

    C)  0.75 N                 

    D) All of these

    Correct Answer: D

    Solution :

    As phosphoric acid is a tribasic acid, its n-factor can be 1, 2 or 3, Hence, its normality can be M, 2M or 3M, Where, M is molarity of solution. Therefore, N = 0.25, 0.50 or 0.75.


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