2. Solved Papers
  3. CEE Kerala Engineering

CEE Kerala Engineering CEE Kerala Engineering Solved Paper-2001

  • question_answer
    The metal that cannot displace hydrogen from dilute hydrochloric acid is:

    A) aluminium          

    B) iron

    C) copper                 

    D)        zinc

    E) magnesium

    Correct Answer: C

    Solution :

    Copper cannot displace hydrogen from dilute hydrochloric acid because in electrochemical series copper is placed below the hydrogen and its electrode potential is less than\[{{H}_{2}}\].


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