9.4 What is meant by unidentate, didentate and ambidentate ligands? Give two examples for each.
Unidentate ligands:- The ligand which has only one donor site are known as unidentate ligands. E.g. Cl -, NH3
Bidentate(or didentate):-The ligands which have two donor sites are known as bidentate ligands. E.g. Ethane - 1,2 diamine, Oxalate ion
Ambidentate ligands:- The ligands which can attach themselves to the central metal through two different atoms. E.g NO2, SCN