The coordination number of a central metal at | vedclass

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Question

(C) The coordination number of a central metal atom or ion in a complex is defined as the total number of ligand donor atoms that are directly bonded

Vedclass · Accepted Answer

The number of ligands around a metal ion bonded by sigma bonds.

Vedclass · Answer

(C) The coordination number of a central metal atom or ion in a complex is defined as the total number of ligand donor atoms that are directly bonded to the central metal atom or ion through coordinate covalent bonds (which are essentially $\sigma$-bonds). Therefore,the coordination number of a metal = number of $\sigma$-bonds formed by the metal with the ligands.

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

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