The dehydration of ethanol to ethene proceeds via which type of mechanism?
Ethanol, a primary alcohol, undergoes acid-catalyzed dehydration via a concerted E₂ mechanism because formation of a primary carbocation is unstable.
Ref: NCERT Class 12 Chemistry > Chapter 7: Alcohols, Phenols and Ethers > Topic: Chemical Reactions of Alcohols - Dehydration Oxidation Esterification