Esters
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5 Terms
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What are derivatives of carboxylic acids?
A compound that can be hydrolysed to form the parent carboxylic acid
2
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Give 2 ways of making an ester - which produces a better yield?
Warming carboxylic acids and alcohol together in the presence of an acid catalyst
Gently heating an acid anhydride (meaning no water) with an alcohol (produces a better yield)
3
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Give the 2 ways of making methyl ethanoate ( equations )
Methanol + ethanoic acid → methyl ethanoate
Methanol + ethanoic anhydride → methyl ethanoate + ethanoic acid
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How is an acid anhydride formed?
By the removal of water from two carboxylic acid molecules
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