JEE Main & Advanced Chemistry The d-and f-Block Elements Question Bank Compounds of Transitional Elements

  • question_answer Which one of the following dissolve  in hot concentrated \[NaOH\] solution [IIT 1980]

    A) \[Fe\]

    B) \[Zn\]

    C) \[Cu\]

    D) \[Ag\]

    Correct Answer: B

    Solution :

    \[Zn+2NaOH\xrightarrow{\text{heat}}N{{a}_{2}}Zn{{O}_{2}}+{{H}_{2}}\]

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