What is the major product obtained when ethanol is heated with concentrated at ()? — Alcohols Phenols and Ethers Chemistry Question

💡 Solution & Explanation

The dehydration of ethanol is temperature-dependent. At $443 \text{ K}$ ($170^\circ\text{C}$), elimination yields ethene. At the lower temperature of $413 \text{ K}$ ($140^\circ\text{C}$), intermolecular dehydration (substitution) predominates to yield diethyl ether.