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The coordination number of a centrla met...

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

A

The number of only anionic ligands bonded to the metal ion

B

the number of monodentate lingands around a metal ion bonded by pi-bonds

C

the number of monodentate lingands around a metal ion bonded by `sigma` and pi-bonds both

D

the number of monodentate ligands around a metal ion bonded by `sigma`-bonds

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The correct Answer is:
D
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