Published by:
CGP EDU Academic Team
Published on: August 14, 2026
The following steps are given for the mechanism of esterification of carboxylic acids.
(I) The protonated esters loses a proton to give the ester.
(II) Protonation of the carbonyl oxygen activates the carbonyl group towards nucleophilic addition of the alcohol.
(III) Proton transfer in the tetrahedral intermediate occurs.
(IV) Nucleophilic attack of alcohol on protonated carbonyl group.
Arrange the following steps in their correct sequence.
A
I 
II 
IV 
III
II IV III
B
I 
IV 
III 
II
IV III II C
II 
IV 
III 
I
IV III I
D
III 
II 
IV 
I
II IV I
Text Solution
Verified by ExpertsThe correct answer is:
C
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