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JAMB Chemistry 1995 Question 44

Question 44

Alkanals and Alkanones

Which of the following pairs has compounds that are isomers?

  1. A.Propanal and propanone
  2. B.Ethanoic acid and ethylmethanoate
  3. C.Ethanoic acid and ethane-1, 2-diol
  4. D.2-methylbutane and 2, 2-dimethylbutane
Show the answer and explanation

Answer: A (Propanal and propanone)

Explanation

Isomers have the same molecular formula but different structures. Propanal (CH3CH2CHO) and propanone (CH3COCH3) are both C3H6O.