Explore the alcohol dehydration reaction mechanism with H2SO4 in this organic chemistry video tutorial. Learn about the E1 reaction that converts alcohol into alkene, and discover how to determine the major product or the most stable Zaitsev product. Delve into the SN1/SN2 dehydration of a diol into a cyclic ether. The tutorial covers various examples, including protonation, to help reinforce your understanding of this important organic chemistry concept.