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Coordination number is a characteristic of which of the following?

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in Chemistry – Class 12 by (188k points)
Coordination number is a characteristic of which of the following?

(a) Central atom

(b) Ligand

(c) Coordination entity

(d) Coordination compound

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Origin of the question is Definitions in division Coordination Compounds of Chemistry – Class 12

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Right answer is (a) Central atom

The best explanation: Coordination number is also known as the secondary valence of a central metal ion in a complex and is defined as the number of donor atoms it is directly bonded to. Hence, coordination number is a quantity associated with the metal ion.

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