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JIPMER Jipmer Medical Solved Paper-1999

  • question_answer
    The element which forms ions in the dimeric state is :

    A)  copper                                

    B)  nickel  

    C)         silver                   

    D)         mercury

    Correct Answer: D

    Solution :

    Mercury forms mercurous ion \[(Hg_{2}^{2+})\] in the dimeric form e.g., mercurous chloride is \[H{{g}_{2}}C{{l}_{2}},\] which is also called calomal.


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