1.

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

Answer»

The number of only anionic ligands BONDED to the metal ion
the number of MONODENTATE lingands AROUND a metal ion bonded by pi-bonds
the number of monodentate lingands around a metal ion bonded by `SIGMA` and pi-bonds both
the number of monodentate ligands around a metal ion bonded by `sigma`-bonds

Answer :D


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