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  • 17-04-2016
  • Chemistry
Answered

Which of the following can function as a chelating agent? And Why?

ANH3
BCO2
COH-
DC2O4 2-

Verified Answer :

taskmasters
taskmasters taskmasters
  • 28-04-2016

In oxalate,  you need have to have two donor atoms to make a chelate ligand which barely means, NH3 and OH^- is ruled out. You have to consider the structure of Carbon dioxide (CO2) and deduce why both O atoms cannot coordinate to the same M^n+ ion. 

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