During the acid-catalyzed dehydration of neopentyl alcohol (), the major alkene produced is: — Reaction Mechanism Chemistry Question

💡 Solution & Explanation

The primary carbocation instantly undergoes a 1,2-methyl shift to form a stable tertiary carbocation ($tert$ -amyl cation), which then eliminates a proton to form the Saytzeff product (2-methyl-2-butene).