Question

State how the following conversion can be carried out:

Ethyl alcohol to ethene.

Answer 1

By heating ethyl alcohol with conc. H₂SO₄ at 170°C

\[\ce{\underset{Ethyl alcohol}{C2H5OH} ->[Conc. H2SO4][\Delta] \underset{ethene}{C2H4} + \underset{water}{H2O}}\]