MHT CET 2024 Chemistry question

Identify the number of donor atoms in EDTA molecule that form coordinate bond with central metal atom or iron in a complex.

(A)3
(B)1
(C)6Correct
(D)4

Answer: (C)

Solution

EDTA (ethylenediaminetetraacetate, ) is a hexadentate ligand: it has two nitrogen atoms (lone pairs on the two amine groups) and four oxygen atoms (one from each carboxylate group), so

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Question ID VK-092768