JAMB Chemistry 2023 Question 39

Question 39

Introduction to Organic Chemistry

Which of the following is an isomer of C5H12?

  1. A.2-methylbutane
  2. B.butane
  3. C.2-ethylbutane
  4. D.2-methylpropane
Show the answer and explanation

Answer: A (2-methylbutane)

Explanation

2-methylbutane has five carbons and twelve hydrogens, the same formula as pentane but a branched chain.