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International Edexcel AS chemistry

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  1. Topic 4: introductory organic chemistry
    The fundamentals
    2 Topics
  2. Functional groups and homologous series
    2 Topics
  3. Nomenclature
    2 Topics
  4. Structural isomerism
    2 Topics
  5. Types of reaction
    2 Topics
  6. Substitution reactions
    2 Topics
  7. Hazards, risks and risk assessments
  8. Alkanes from crude oil
    1 Topic
  9. Alkanes as fuels
    1 Topic
  10. Haloganoalkanes
    1 Topic
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Homologous series

  • 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

Homologous series examples