BCECE Medical BCECE Medical Solved Papers-2007

  • question_answer
    Which metal gives hydrogen gas on heating with hot concentrated alkali?

    A)  Ag            

    B)  Ni

    C)  Zn            

    D)  Cu

    Correct Answer: C

    Solution :

    \[Zn+2NaOH\xrightarrow{{}}N{{a}_{2}}Zn{{O}_{2}}+{{H}_{2}}\] \[\therefore \] Zn liberates hydrogen with hot cone. alkali.


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