JAMB Chemistry 1988 Question 45

Question 45

Hydrocarbons

The four classes of hydrocarbons are

  1. A.ethane, ethene, ethyne and benzene
  2. B.alkanes, alkenes, alkynes and aromatics
  3. C.alkanes, alkenes, alkynes and benzene
  4. D.methane, ethane, propane and butane.
Show the answer and explanation

Answer: B (alkanes, alkenes, alkynes and aromatics)

Explanation

Hydrocarbons are grouped into alkanes, alkenes, alkynes and aromatic hydrocarbons. The other options list single compounds, not classes.