Published by:
CGP EDU Academic Team
Published on: August 13, 2026
The correct order of rate of acid mediated dehydration reaction of the following compounds is
(I) 
(II) 
(III) 
(IV) 
A
II 
III 
IV 
I
III IV I
B
IV 
III 
I 
II
III I II C
III 
II 
IV 
I
II IV I
D
III 
IV 
II 
I
IV II I
Text Solution
Verified by ExpertsThe correct answer is:
D
Dehydration reaction depends on the stability of carbocation. The order of stability of carbocation is 
.
(i) 
(ii) 
(Rearrangement possible)
(iii) 
(iv) 
Hence, the order of dehydration reaction is: III 
IV 
II 
I
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