STANDARDChemistry-Coordination Compounds
STANDARD Chemistry Ligands and Chelation Assertion Reason Question
Type: Assertion Reason-conceptual-Medium-Class 12
Assertion : EDTA forms complex with divalent metals of 3d-series in the ratio of 1 : 1. Reason : EDTA has 4 – COOH groups.
A
If both assertion and reason are true and reason is the correct explanation of assertion.
B
If both assertion and reason are true but reason is not the correct explanation of assertion.
C
If assertion is true but reason is false.
D
If both assertion and reason are false.
Correct Answer
Option B
Detailed Explanation
EDTA is a hexadentate ligand. It forms complexes with central metal in the ratio 1 : 1 by binding through two nitrogen atoms and four oxygen atoms. The reason given is true but not the correct explanation.
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