Chhattisgarh PMT Chhattisgarh PMT Solved Paper-2004

  • question_answer
    In tris (ethylene diamine) cobalt (III) chloride the coordination number of cobalt is

    A)  \[3\]                                    

    B)  \[4\]

    C)  \[6\]                                    

    D)  \[7\]

    Correct Answer: C

    Solution :

    The total number of ligands (neutral molecules or negative ions) attached to the central metal atom in the coordination sphere is called coordination number of the metal atom. eg, \[[Co{{(en)}_{3}}]C{{l}_{3}}\]. Each en has two coordinate bonds. \[\therefore \]Coordination number of \[Co=3\times 2=6\]


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