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 of the following metal forms an amphoteric oxide [CPMT 1976]

    A) \[Ca\]

    B) \[Fe\]

    C) \[Cu\]

    D) \[Zn\]

    Correct Answer: D

    Solution :

    \[ZnO+2HCl\to ZnC{{l}_{2}}+{{H}_{2}}O\] \[ZnO+2NaOH\to N{{a}_{2}}Zn{{O}_{2}}+{{H}_{2}}O\]


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