CBSE BoardEnglish MediumSTD 12 ScienceChemistry5. Co-ordination chemistry1 Mark
MCQ
${[{\rm{EDTA}}]^{4 - }}$ is a:
A
Monodentate ligand
B
Bidentate ligand
C
Quadridentate ligand
✓
Hexadentate ligand
✓
Answer
Correct option: D.
Hexadentate ligand
d (d)Ethylenediamine tetraacetate ion $(EDTA)$
They have six donor atoms. poly dentate 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.
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