Esters
- Created by: Jess
- Created on: 18-05-13 13:51
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Esters
Esters have the functional group -COO
1) Esters are formed from an alcohol and a carboxylic acid
2) An acid catalyst is used ( e.g. sulfuric acid)
Acohol + carbocylic acid -> ester + water
Their names end in '-oate'. The alcohol forms the first part of the ester's name, and the acid forms the second part. e.g:
ethanol + ethanoic acid -> ethyl ethanoate + water
Esters smell nice but don't mix well with water
1) Many esters have pleasant smells- often quite sweet and fruity. They're also volatile. This makes them ideal for pefumes ( the evaporated molecules can be detected by smell receptors in the nose).
2) However, many esters are flammable (or even highly flammable). So their volatility also…
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