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

  • question_answer
    The metal which gives hydrogen on treatment with acid as well as sodium hydroxide is [MP PET 1996]

    A) Iron

    B) Zinc

    C) Copper

    D) None of the above

    Correct Answer: B

    Solution :

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


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