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Alcohols, ethanol and fermentation · GCSE Chemistry · Courselo

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GCSE Chemistry
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Organic chemistry

Alcohols, ethanol and fermentation

Organic chemistry · Lesson 4 of 5

Lesson 4 of 5

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Unit 7

Organic chemistry

5 lessons · 7 h 30 min of study

Crude oil, fuels and fractional distillation1 h 15 min of study
Alkanes, combustion and cracking1 h 30 min of study
Alkenes, addition reactions and addition polymerisation1 h 45 min of study
Alcohols, ethanol and fermentationReading · 0%
Carboxylic acids, esters and condensation polymers1 h 45 min of study

This unit is ≈10% of the GCSE Chemistry, across 5 lessons. Full syllabus

Lesson 4 of 5 · Organic chemistry

Alcohols, ethanol and fermentation

3 quick checks≈2% of the testCore: Core: tested on most papers

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By the end you’ll be able to

identify ethanol as an alcohol and represent it using molecular, structural and displayed formulae
describe the complete combustion of ethanol and write the equation for its combustion to produce carbon dioxide and water
describe the production of ethanol by fermentation of aqueous sugar solutions using yeast under suitable conditions, including a warm temperature and the absence of oxygen

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Adaptive questions on alcohols, ethanol and fermentation.

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explain that fermentation produces a dilute ethanol solution and that ethanol can be obtained from the mixture by fractional distillation

describe the production of ethanol by hydration of ethene with steam and state the need for high temperature, a catalyst and pressure

compare fermentation and hydration of ethene as methods of manufacturing ethanol in terms of feedstocks, conditions, rate, purity and sustainability

apply knowledge of the uses of ethanol as a solvent, as a fuel and in alcoholic drinks

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