A-Level CAIE Chemistry AS 18.1.1—Preparation of carboxylic acids Question Bank

• Recall preparation of carboxylic acids

- (a) oxidation of primary alcohols and aldehydes with acidified K 2Cr2O7 or acidified KMnO4 and refluxing

- (b) hydrolysis of nitriles with dil. acid or dil. alkali followed by acidification

- (c) hydrolysis of esters with dil. acid or dil. alkali and heat followed by acidification