AMU Medical AMU 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 \[Mn{{O}_{2}}\]. This is amphoteric in character.


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