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MHT CET Medical202622 April 2026Evening ShiftChemistryGeneral Organic ChemistryActual

What is IUPAC name of acrylic acid?

Options

  1. A3-Methylbut-3-enoic acid
  2. B3-Methylpent-2-enoic acid
  3. CProp-2-enoic acid
  4. DBut-3-enoic acid

Correct answer

C. Prop-2-enoic acid

Step-by-step solution

The chemical formula of acrylic acid is CH₂=CH-COOH . The principal functional group is the carboxylic acid group ( -COOH ), so numbering starts from the carboxyl carbon. The longest carbon chain contains 3 carbon atoms, giving the root word 'prop'. A double bond is present between C₂ and C₃ , which is indicated by '2-en'. The secondary suffix for the carboxylic acid is 'oic acid'. Combining these parts, the IUPAC name is Prop-2-enoic acid. Answer: Prop-2-enoic acid

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