Carboxylic acids can undergo reduction reactions. Reduction is the opposite of oxidation. For example, ethanoic acid (CH 3 COOH) can be formed by the oxidation of ethanol as shown below.

Carboxylic acids are weak acids that react in the same way ... made of amino acid monomers and are hydrolysed by our bodies. Aldehydes and ketones are compounds with carbonyl groups that play ...