JEE Main Chemistry question

**Statement 1:** EDTA forms very stable complexes with a large number of metal ions. **Statement 2:** It coordinates through 6 points of attachment to the metal — 4 O-atoms and 2 N-atoms.

(A)Statement 1 is True, Statement 2 is True; Statement 2 is correct explanation for Statement 1Correct
(B)Statement 1 is True, Statement 2 is True; Statement 2 is not correct explanation for Statement 1
(C)Statement 1 is True, Statement 2 is False
(D)Statement 1 is False, Statement 2 is True

Answer: (A)

Solution

EDTA binds to metal ions of widely different sizes and charges (from / to transition-metal ions), making it an exceptionally versatile chelator, used even to remove trace metals from distilled water.

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Question ID VK-155526