Published by:
CGP EDU Academic Team
Published on: August 14, 2026
The correct decreasing order of acidity for the following compounds is;
(I) (II)
(III) (IV)
A
I 
III 
II 
IV
III II IV
B
III 
I 
II 
IV
I II IV C
III 
IV 
II 
I
IV II I
D
I 
III 
IV 
I
III IV I
Text Solution
Verified by ExpertsThe correct answer is:
A
o-Hydroxybenzoic acid (III) is far stronger than corresponding meta and para isomers as the carboxylate ion is stabilized by intramolecular
H -bonding.
2,6-Dihydroxybenzoic acid (I) forms carboxylate ion which is further stabilized by intramolecular
H -bonding.
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