Which of the following ligands would be the most difficult to remove from an iron(III)cation under similar conditions?

Name: Which of the following ligands would be the most difficult to remove from an iron(III)cation under similar conditions?
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Question

Quizplus · Accepted Answer

EDTA^4- is a hexadentate ligand, meaning it can form up to six bonds with a metal ion, creating a very stable complex. This makes it the most difficult to remove from an iron(III) cation compared to the other ligands listed.

Which of the Following Ligands Would Be the Most Difficult