Question

The highest denticity shown by ethylenediaminetriacetate ligand is:

Answer 1

The number of donations accepted by a central atom from a particular ligand is known as the denticity of the ligand.
The structure of ethylenediaminetriacetate ligand is:


It binds through 3 oxygen and 2 nitrogen atom with the central metal atom/ion in complex. Hence, its denticity is 5 and it is a pentadentate ligand.