See image — IUPAC and Nomenclature Chemistry Question

💡 Solution & Explanation

Correct option: \(\text{C}\). The correct choice is \(\text{C}\), Methyl methanoate. The first ester must contain the minimum carbon skeleton on both sides of the \(\mathrm{-COO-}\) group. Hence the first member is methyl methanoate. Recovered question text: 5. Which of the following is the first member of ester homologous series ? (A) Ethyl ethanoate (B) Methyl ethanoate (C) Methyl methanoate (D) Ethyl methanoate