The Correct Structure of Ethylenediaminetetraacetic Acid (EDTA) is

Answer: The chemical compound ethylenediaminetetraacetic acid, often known as EDTA, is composed of two amino groups and four carboxyl groups, both of which are referred to as Lewis bases.

Since the development of a covalent link, EDTA is considered to be a hexadentate ligand because it is able to signify six separate pairs of unpaired electrons.