passwella.
Menu

JAMB Chemistry 2014 Question 42

Question 42

Hydrocarbons

Ethyne is passed through a hot tube containing organo-nickel catalyst to produce

  1. A.isoprene.
  2. B.polythene.
  3. C.ethanol.
  4. D.benzene.
Show the answer and explanation

Answer: D (benzene.)

Explanation

Three ethyne molecules join into a ring (polymerise) over the hot catalyst to form benzene, C6H6.