Question

Find the number of ligand(s) which is/are chelating among the following :
en, C${}_2$O${}_4^{2-}$, acac, DMG, gly

• A. 3
• B. 4
• C. 2
• D. 5
• E. 1

Answer 1

The correct option is D 5

All the five ligands en, C${}_2$O${}_4^{2-}$, acac, DMG, gly are chelating . These are polydentate ligands containing two or more donor atoms with which they can coordinate with metals. They forms ring structures with metals known as metal chelates.