JEE Main & Advanced Chemistry The d-and f-Block Elements / d तथा f ब्लॉक के तत्व Question Bank Compounds of Transitional Elements

  • question_answer
    Which oxide of manganese is amphoteric [AFMC 1995]

    A) \[Mn{{O}_{2}}\]

    B) \[M{{n}_{2}}{{O}_{3}}\]

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

    D) \[MnO\]

    Correct Answer: A

    Solution :

    \[Mn{{O}_{2}}\] forms amphoteric oxide due to intermediate oxidation state.


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