9.4: What is meant by unidentate, didentate and ambidentate ligands? Give two examples for each.
Unidentate ligands: ligands that have 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 are the ligands that can attach themselves to the central metal through two different atoms. E.g., NO2, SCN