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MHT CET202618 April 2026Morning ShiftChemistryGeneral Organic ChemistryActual

Identify the name of second higher homologue of formic acid?

Options

  1. AMethanoic acid
  2. BEthanoic acid
  3. CPropanoic acid
  4. DButanoic acidaa

Correct answer

C. Propanoic acid

Step-by-step solution

Formic acid is the first member of the carboxylic acid homologous series with the IUPAC name methanoic acid ( HCOOH ). The first higher homologue is obtained by adding one -CH₂- group, which gives ethanoic acid ( CH₃COOH ). The second higher homologue is obtained by adding another -CH₂- group, which gives propanoic acid ( CH₃CH₂COOH ). Answer: Propanoic acid

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