Question

When Butan-2-ol is dehydrated using sulphuric acid, the concentration of acid and temperature needed respectively is _______.

Options

• 95% cone. and 373 K

• 60% cone. and 373 K

• 20% cone. and 363 K

• 20% cone. and 373 K

Answer 1

When Butan-2-ol is dehydrated using sulphuric acid, the concentration of acid and temperature needed respectively is 60% cone. and 373 K.

Explanation:

Secondary alcohol (2°) is dehydrated by heating with 60% H₂SO₄ at 373 K.