Which of the following is not a chelating age | vedclass

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(A) Chelating agents are ligands that can form ring structures with a central metal atom by binding through two or more donor atoms. $Oxalato$ $(C_2O_

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thiosulphato

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(A) Chelating agents are ligands that can form ring structures with a central metal atom by binding through two or more donor atoms. $Oxalato$ $(C_2O_4^{2-})$,$glycinato$ $(NH_2CH_2COO^-)$,and $ethylene  diamine$ $(en)$ are all polydentate (specifically bidentate) ligands capable of forming chelate rings. $Thiosulphato$ $(S_2O_3^{2-})$ acts as a monodentate ligand in most coordination complexes,binding through a single sulfur atom. Since it cannot form a ring,it is not a chelating agent.

Which of the following is not a chelating agent?

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