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    Question

    The co-ordination number of a metal in co-ordination

    compounds is the:
    A same as secondary valency Correct Answer Incorrect Answer
    B sum of primary and secondary valencies Correct Answer Incorrect Answer
    C same as primary valency Correct Answer Incorrect Answer
    D difference between secondary and primary valencies Correct Answer Incorrect Answer

    Solution

    The coordination number of a metal in a coordination compound is the number of donor atoms attached to the metal center. A donor atom is an atom or molecule that can donate a pair of electrons to the metal ion to form a coordination bond.

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