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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