Ethylene diaminetetraacetate (EDTA) ion is:
- Hexadentate ligand with four and two " donor atoms
- Unidentate ligand
- Bidentate ligand with two" donor atoms
- Tridentate ligand with three " donor atoms
Solution
EDTA is

EDTA is hexadentate ligand having four oxygen donor atoms and two nitrogen donor atoms.
Asked in: NEET 2021