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International Edexcel AS chemistry
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Topic 4: introductory organic chemistryThe fundamentals2 Topics
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Functional groups and homologous series2 Topics
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Nomenclature2 Topics
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Structural isomerism2 Topics
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Types of reaction2 Topics
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Substitution reactions2 Topics
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Hazards, risks and risk assessments
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Alkanes from crude oil1 Topic
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Alkanes as fuels1 Topic
Lesson 2, Topic 1
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Functional groups
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OH is the functional group of the alcohols.
It is this group that gives alcohols their characteristic properties

A homologous series is a family of compounds with the same functional group, which differ in formula by CH2 from the next member
There is a gradation in physical propertis of a homologous group as CH2 is added

