JEE Advanced Chemistry question

Statement 1: EDTA forms complexes with a large number of metal ions Statement 2: It coordinates with 6 points of attachement to the metal, 4 O-atoms and two N atoms

(A)Assertion is True, Reason is True; Reason is correct explanation for AssertionCorrect
(B)Assertion is True, Reason is True; Reason is not correct explanation for Assertion
(C)Assertion is True, Reason is False
(D)Assertion is False, Reason is True

Answer: (A)

Solution

EDTA readily forms stable complexes with a very wide range of metal ions — alkaline earth ions like and as well as most transition-metal ions — so Statement 1 is true. This versatility and very high stability arise precisely because EDTA is hexadentate, binding through 6 donor

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Question ID VK-160006