Question

The questions given below consist of Assertion (A) and Reason (R ) . Use the following key to select the correct answer.
Assertion : EDTA forms a complex with divalent metals of 3d series in the ratio 1:1 .
Reason : EDTA has four -COOH groups.
A. If both assertion and reason are correct and reason is correct explanation for assertion .
B. If both assertion and reason are correct but reason is not correct explanation for assertion .
C. If assertion is correct but reason is incorrect
D. If both assertion and reason are incorrect

Answer 1

Correct Answer - b
Correct explanation : EDTA is a hexadentate ligand. If forms complex with central metal in the ratio 1 : 1 in which it is linked through two N and four O atoms.