Punjab Medical Punjab - MET Solved Paper-1999

  • question_answer
    Which of the following will not displace hydrogen?

    A) \[Hg\]                                  

    B) \[Sn\]

    C) \[Pb\]                                  

    D) \[Ba\]

    Correct Answer: A

    Solution :

    We know that the metal mercury\[(Hg)\] which is placed below hydrogen in eletro chemical series, is less reactive than hydrogen. Thus it does not displace hydrogen from water and acids.


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