Question

Name the gas liberated when ethanol recacts with sodium metal. How do we get ethene from ethanol? Write a chemical equation to justify your answer. State the role of acid in this reaction.

Answer 1

Ethanol + Na → C2H5ONa (Sodium Ethoxide ) + (Hydrogen gas )H2

C2H5OH (Ethanol) is heated in presence of conc. H₂SO₄ ,dehydration takes place, to give ethene and water.

Acid in this reaction acts as a dehydrating agent.