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The coordination number of a central met...

The coordination number of a central metal atom in a complex is determined by:

A

The number of `sigma` - bond formed by the ligands

B

The number of ligands around a metal ion bonded by `pi` - bonds

C

The number of ligands around a metal ion bonded by `sigma- and pi-` bonds both

D

The number of only anionic ligands bonded to the metal ion

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The correct Answer is:
A
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