Which of the following IUPAC names are correctly constructed according to polyfunctional priority ru — IUPAC and Nomenclature Chemistry Question

💡 Solution & Explanation

Options A, B, and C correctly assign the suffix to the highest-priority functional group (carboxylic acid, aldehyde, carboxylic acid respectively). Option D incorrectly treats the highest-priority group ($-COOH$) as a substituent and the lower-priority ketone as the principal group.