Q. $ {{[EDTA]}^{4-}} $ is a:
BHUBHU 2006
Solution:
Ethylenediamine tetraacetate ion $ {{(EDTA)}^{-}} $
They have six donor atoms. Polydentate ligands have flexidentate character. It is not necessary that all the donor atoms present in the polydentate ligands should form co-ordinate bonds with central metal atom or ion.
