Unit 4: Esters
Unit 4: Esters. How do we draw and name ester? In order to work out the structure of the ester formed when an alcohol and a carboxylic acid react together we start by drawing them separately so that their OH groups are next to each other Then we remove the H and the OH to form water and join what's left For example: H H | | H - C - C - O - H ETHANOL | | H H and H O | || H - C - C ETHANOIC ACID | H O - H Then the H breaks off the ethanol which becomes ethyl and the OH breaks off the ethanoic acid which becomes ethanoate
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