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  3. BCECE Medical

BCECE Medical BCECE Medical Solved Papers-2003

  • question_answer
    Out of Cu, Al Fe and Zn, metal which can displace all others from their salt solution is:

    A)  Al             

    B)  Cu

    C)  Zn            

    D)  Fe

    Correct Answer: A

    Solution :

    Key Idea: The element occupying higher position in electrochemical series, displaces the metals present below it from their salts. \[\because \] Among Cu, Al, Fe, and Zn, Al occupies highest position in electrochemical series. \[\therefore \] Al displaces Cu, Fe and Zn from their salts.


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