During esterification this small molecule is water. Esters have characteristic smells and are insoluble in water. The functional group (-COO) is known as the ester link. The main use of esters is ...

To make an ester, a hydrogen atom must be removed from ... The hydrogren atom and the -OH combine to form a water molecule (H 2 O). \(propanol + ethanoic\,\,acid \rightleftharpoons propyl ...