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JAMB Chemistry 1979 Question 2

Question 2

Introduction to Organic Chemistry

Which are the correct IUPAC names for H-CO2CH3 and CH ≡ CH

  1. A.Methyl methanoate and ethene
  2. B.Metanoic acid and ethyne
  3. C.Ethyl methanoate and ethyne
  4. D.Methyl methanoate and ethyne
  5. E.Ethanoic acid and ethene.
Show the answer and explanation

Answer: D (Methyl methanoate and ethyne)

Explanation

HCOOCH3 is the ester of methanoic acid and methanol, methyl methanoate. CH≡CH has a triple bond, so it is ethyne.