Which statement(s)is/are true of acid-catalyzed alcohol dehydrations?
A)Protonation of the alcohol is a fast step.
B)Formation of a carbocation from the protonated alcohol is a slow step.
C)Rearrangements of less stable carbocations to more stable carbocations are common.
D)Loss of a proton by the carbocation intermediate is a fast step.
E)All of these choices.

Question

Quizplus · Accepted Answer

All of the statements are true. Protonation of the alcohol is the fast step, followed by the slow step of carbocation formation. Often, less stable carbocations will rearrange to more stable ones. Loss of a proton by the carbocation intermediate is a fast step that leads to the formation of the alkene product.

Which Statement(s)is/are True of Acid-Catalyzed Alcohol Dehydrations