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AIIMS 2013
Exam
AIIMS
Year
2013
Subject
Chemistry
Chapter
Coordination Compounds

AIIMS 2013 · Chemistry · Coordination Compounds

Assertion : EDTA forms complex with divalent metals of 3 d -series...

Assertion : EDTA forms complex with divalent metals of 3d3 d-series in the ratio of 1:11: 1 Reason : EDTA has 4−COOH4-\mathrm{COOH} groups.

Options

  1. AIf both assertion and reason are true and reason is the correct explanation of assertion.
  2. BIf both assertion and reason are true but reason is not the correct explanation of assertion.
  3. CIf assertion is true but reason is false.
  4. DIf both assertion and reason are false.

Correct answer

B. If both assertion and reason are true but reason is not the correct explanation of assertion.

Step-by-step solution

EDTA is a hexadentate ligand. It forms complex with central metal in the ratio 1:11: 1 in which it binds through two nitrogen atoms and four oxygen atoms.
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