The acid-catalysed dehydration of neopentyl alcohol, (CH_3)_3C-CH_2OH, gives mainly

JEE Main Chemistry question

The acid-catalysed dehydration of neopentyl alcohol, , gives mainly

(A)3-Methylbut-1-ene
(B)2-Methylbut-1-ene
(C)2-Methylbut-2-eneCorrect
(D)None of the above

Answer: (C)

Solution

Protonation and loss of water from this primary alcohol would give an unstable primary carbocation; instead, a methyl group migrates from the adjacent quaternary carbon (1,2-methyl shift), converting it to a much

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Question ID VK-148733