- Esters are formed when an alcohol with a carboxylic acid react in the prsence of an acid catalyst.
Ethanoic Acid + Ethanol =( sulfuric acid catalyst)= Ethly ethanoate + Water
- They have a functional group of -COO-. If the H atom in the -COOH group of a carboxylic acid is replaced by a hydrocarbongroup the compound is an ester.
- Ethyl ethanoate has the structural formula CH3COOCH2CH3.
Esters are used in flavourings and perfumes as they have a very distinctive smell.
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