CHELATING LIGANDS:
"The bonding of a polypeptide ligand to a metal ion through more than one site is called chelating ligand."
These ligands produce a ring like structure called chelate.
The polydentate ligand is called a chelating agent,
The process of chelate formation is known as chelation and the compounds formed are called as chelate compounds.
Chelation increases the stability of complex. For example, ethylene diamine acts as a bidentate chelating ligand.
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