Question

Ethene can be prepared from ethanol by using ______.

Options

• dil. H₂SO₄

• Na

• CH₃COОН

• Al₂O₃

Answer 1

Ethene can be prepared from ethanol by using Al₂O₃.

Explanation:

Ethanol undergoes vapour-phase dehydration when passed over a heated alumina (\(\text{Al}_2\text{O}_3\)) catalyst at \(350^{\circ }\text{C}\) to form ethene.