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The coordination number is determined by the number of both, sigma and pi bonds formed by the ligand with the central atom/ion.

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in Chemistry – Class 12 by (188k points)
The coordination number is determined by the number of both, sigma and pi bonds formed by the ligand with the central atom/ion.

(a) True

(b) False

I got this question by my college professor while I was bunking the class.

I'd like to ask this question from Definitions topic in portion Coordination Compounds of Chemistry – Class 12

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The correct option is (b) False

Easy explanation: The CN is found by only considering the number of sigma bonds between the donor atoms and central atom/ion. Pi bonds between ligand and central atom/ion are not counted for this purpose.

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