Alcohol H + Δ Trans − B u t − 2 − e n e (Major product) Possible number of alcohol (including stereoisomers) in above reaction

Question

Alcohol H + Δ ​ Trans − B u t − 2 − e n e (Major product) Possible number of alcohol (including stereoisomers) in above reaction

TestHub · Accepted Answer

Alcohols must give but-2-ene on acid dehydration (H⁺, Δ).

Possible cases:

Butan-2-ol → gives but-2-ene (major via E1)
Butan-1-ol → rearranges to secondary carbocation → gives but-2-ene
(R/S)-Butan-2-ol forms stereochemical pathway considered gives one more possibility

Thus total alcohols (including valid pathways + stereochemical consideration): - 3

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