ethanolhydrogen iodide⟶250 °CethaneiodinewaterSame reagentsethanol + hydrogen iodide → iodoethane + waterPotentially competingDissociation of hydrogen iodide in waterethanol → ethene + waterethanol + hydrogen iodide → iodoethane + waterAutodissociation of waterReferencesChemiday 2015, Ethanol react with hydrogen iodide