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JAMB Chemistry 2001 Question 44

Question 44

Introduction to Organic Chemistry

The pair of organic compounds that are isomers is

  1. A.benzene and methylbenzene
  2. B.trichloromethane and tetrachloromethane
  3. C.ethanol and propanone
  4. D.but-l-ene and but-2-ene.
Show the answer and explanation

Answer: D (but-l-ene and but-2-ene.)

Explanation

Isomers have the same molecular formula but different structures. But-1-ene and but-2-ene are both C4H8; they differ only in the position of the double bond.