BCECE Medical BCECE Medical Solved Papers-2010

  • question_answer
    The coordination number of a central metal atom in a complex is determined by

    A)  the number of ligands around a metal ion bonded by G-bonds

    B)  the number of ligands around a metal ion bonded by TC-bonds

    C)  the number of ligands around a metal ion bonded by a and Ti-bonds both

    D)  the number of only anionic ligands bonded to the metal ion

    Correct Answer: A

    Solution :

    Coordination number is the maximum covalency shown by a metal or metal ion. It is the maximum number of ligands attached to metal by \[\sigma \] coordinate bonds.


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