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

  • question_answer
    An extremely hot copper wire reacts with steam to give [CPMT 1988]

    A) \[CuO\]

    B) \[C{{u}_{2}}O\]

    C) \[C{{u}_{2}}{{O}_{2}}\]

    D) \[Cu{{O}_{2}}\]

    Correct Answer: B

    Solution :

    \[4Cu+2{{H}_{2}}O\to 2C{{u}_{2}}O+2{{H}_{2}}\]


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