JEE Main & Advanced Chemistry The d-and f-Block Elements / d तथा f ब्लॉक के तत्व Question Bank General Characteristics

  • question_answer
    Which element gives maximum balanced oxide [MP PMT 1990]

    A) \[V\]

    B) \[Cr\]

    C) \[Mn\]

    D) \[Fe\]

    Correct Answer: C

    Solution :

    Among the transition metals \[Mn\]forms maximum no. of oxides. \[\underset{\text{basic}}{\mathop{MnO}}\,\,\,\,\,\underset{\text{amphoteric}}{\mathop{M{{n}_{3}}{{O}_{4}}}}\,\,\,\,\,\underset{\text{amphoteric}}{\mathop{M{{n}_{2}}{{O}_{3}}}}\,\,\,\,\,\underset{\text{amphoteric}}{\mathop{Mn{{O}_{2}}}}\,\,\,\,\,\underset{\text{acidic}}{\mathop{M{{n}_{2}}{{O}_{7}}}}\,\]


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