Question

A chelating agent has two or more than two donor atoms to bind to a single metal ion. Which of the following is not a chelating agent?

• A. Thiosulphato
• B. Oxalato
• C. Glycinato
• D. Ethane-$1,2$-diamine

Answer 1

Answer: (A)

Thiosulphato

Answer 2

Thiosulphate $(S_{2}O^{2-}_{3})$ is a unidentate ligand.