JAMB Chemistry 2016 Question 21

Question 21

Petroleum and Coal

Which of the following CANNOT be obtained by fractional distillation of petroleum?

  1. A.Ether
  2. B.Methane
  3. C.Butane
  4. D.Hydrogen
Show the answer and explanation

Answer: D (Hydrogen)

Explanation

Fractional distillation separates the hydrocarbons already in crude oil (methane, butane, ...); free hydrogen is not one of its fractions.