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JAMB Chemistry 1988 Question 50

Question 50

Petroleum and Coal

What process would coal undergo to give coal gas, coal tar, ammoniacal liquor and coke?

  1. A.Steam distillation
  2. B.Destructive distillation
  3. C.Liquefaction
  4. D.Hydrolysis.
Show the answer and explanation

Answer: B (Destructive distillation)

Explanation

Heating coal strongly in the absence of air (destructive distillation) breaks it down into coal gas, coal tar, ammoniacal liquor and coke.