A-Level CAIE Chemistry A2 33.1.3—Oxidation of carboxylic acids Question Bank

• Recognise that some carboxylic acids can be further oxidised:

- (a) the oxidation of methanoic acid, HCOOH, with Fehling’s reagent or Tollens’ reagent or acidified KMnO₄ or acidified K₂Cr₂O₇ to form carbon dioxide and water

- (b) the oxidation of ethanedioic acid, HOOCCOOH, with warm acidified KMnO₄ to form carbon dioxide