DISCUSSION OF RESULTS Which property of sulphuric acid makes it suitable to use as a catalyst for the preparation of esters? Why do we heat the test tube in a water bath and not directly over a flame? With reference to the characteristic smells of esters, name TWO examples where esters are used in different industries. 3.

Sulphuric acid is a strong acid and an excellent dehydrating agent, which makes it highly suitable as a catalyst in the preparation of esters. It helps to speed up the esterification reaction between alcohols and carboxylic acids by protonating the reactants, thus facilitating the release of water and driving the reaction towards the formation of esters. Heating in a water bath rather than directly over a flame helps maintain a controlled temperature, preventing overheating and potential splattering of the reaction mixture. This method ensures even heating and reduces the risk of ignition of any volatile substances present, contributing to a safer laboratory environment. Esters not only provide delightful fragrances but are also multi-talented! For instance, isoamyl acetate, known for its banana scent, is often used in the food industry as a flavoring agent, while ethyl acetate, with its sweet smell, finds applications as a solvent in the nail polish and paint industries. So, the next time you enjoy a fruity treat or use nail polish remover, you can thank esters!