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MGIMS WARDHA MGIMS WARDHA Solved Paper-2008

  • question_answer
    Molarity of a given orthophosphoric acid solution is 3 M. It's normality is

    A) 9N                                         

    B) 0.3 N

    C) 3 N                                        

    D) 1 N

    Correct Answer: A

    Solution :

    Orthophosphoric acid\[({{H}_{3}}P{{O}_{4}})\]is a tribasic acid. \[\because \]Normality\[=Molarity\times basicity\] \[\therefore \] Normality\[=3M\times 3\]          \[=9N\]


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