The core principle governing this domain is electrophilic addition to alkenes catalyzed by strong acids (e.g., $H_2SO_4$), which proceeds via a carbocation intermediate mechanism. This process dictates that reaction pathways are driven by the thermodynamic stability of carbocations, necessitating structural rearrangements such as hydride or alkyl shifts and ring expansions to achieve lower energy states before nucleophilic attack. The resulting product distribution is strictly determined by solvent identity: protic water yields alcohols via deprotonation of an oxonium ion, while alcoholic solvents yield ethers, illustrating the competitive nature of intermolecular addition versus intramolecular substitution based on available nucleophiles.
The core principle governing this domain is electrophilic addition to alkenes catalyzed by strong acids (e.g., $H_2SO_4$), which proceeds via a carbocation intermediate mechanism. This process dictat…