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Summary GCSE Chemistry Edexcel - GCSE Chemistry - Paper 2 - Topic 9c - Alcohols and Carboxylic acids
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Everything you need to know about alchols and carboxylic acids to ace your exams
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Group of compounds that all contain the -COOH functional group.Consits of a carbon atom that has formed a double bond with
a lone oxygen and a single bond with an -OH group.
General formula is CnH 2n+1COOH, n is the number of
carbon atoms in the molecule minus 1 Carboxylic acids
Names of carboxylic acids end in -anoic acid
Carboxylic acids are made by oxidising alcohols using an
oxidising agent
Members of a homologus series often react in similar ways
due to the presence of the same functional group
To make a concentration of ethanol above 20%, ethanol must
be concentrated by fractional distillation of the fermentation
mixture
Ethanol has a lower boiling point than water
When the mixture is heated, ethanol evapourates and the Fractional distillation of e
vapour rises up the fractionating column while the water
stays liquid
A liebig condenser is used to condense the ethanol vapour
by cooling it by passing cold water through it
The concentrated ethanol can then be collected in a seperate
flask
A fuel produced from biological processes, not geological
Renewable
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