BCECE Medical BCECE Medical Solved Papers-2002

  • question_answer
    Which plays a major role in the formation of complex compound?

    A)  Transition metal

    B)  Lanthanides and actinides

    C)  Representative elements

    D)  p-block element

    Correct Answer: A

    Solution :

    Key Idea: Condition which are necessary for formation of complex are : (i) small size of cation                 (ii) high charge density                 (iii) availability of vacant orbitals. Transition metals have small size, charge density is high and they have empty d-orbitals Transition metals form complex compounds.


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