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Assertion : EDTA forms octahedral comple...

Assertion : EDTA forms octahedral complexes with many divalent metal ions of the 3d series in the mole ration `1 : 1`
Reason : EDTA has 4 COOH groups.

A

Mark (I) if both assertion (A) and reason (R )are correct and (R )is the correct explanation of (A)

B

Mark (II) if both assertion (A) and reason (R )are correct and (R )is not the correct explanation of (A)

C

Mark (III) if (A) is correct but (R ) is incorrect

D

Mark (IV) if (A) is incorrect but (R ) is correct

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