Question

The dehydration of butan-$1$-ol gives

• A. $1$-butene as the main product
• B. $2$-butene as the main product
• C. equal amounts of $1$-butene and $2$-butene
• D. $2$-methyl propene

Answer 1

Answer: (B)

The dehydration of 1 -butanol gives 2 -butene as the main product because 2 -carbocation is stabler than $1^{\circ}$.