JCECE Medical JCECE Medical Solved Paper-2010

  • question_answer
    Which   of the   following   statements concerning transition elements is false?

    A)  They are all metals

    B)  They easily form complex coordination compounds            

    C)  Compounds containing their ions are mostly coloured

    D)  They show multiple oxidation states always differing by units of two

    Correct Answer: D

    Solution :

     Transition element exhibit variable oxidation states because their d-electrons also take part in bonding along with s-electrons. However, the difference between two oxidation states is not always two.                


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