VMMC VMMC Medical Solved Paper-2008

  • question_answer
    Which of the oxide of manganese is amphoteric?

    A) \[Mn{{O}_{2}}\]              

    B)        \[M{{n}_{2}}{{O}_{3}}\]

    C)        \[M{{n}_{2}}{{O}_{7}}\]               

    D)        \[MnO\]

    Correct Answer: A

    Solution :

    Oxide of Mn in its intermediate oxidation state ie, +4 is \[\text{Mn}{{\text{O}}_{2}}.\]This is amphoteric in character.


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