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Edexcel IGCSE Chemistry · Spec 4.1-4.4

Introduction to Organic Chemistry

An introduction to organic chemistry, homologous series and functional groups.

Chemistry revision video

Introduction to Organic Chemistry

Spec 4.1-4.4

What you need to know

  • Say what a hydrocarbon is
  • Explain what a homologous series is
  • Recognise displayed formulae and how compounds are named

Active recall

Quick check

Answer each question before opening the answer.

What is a homologous series?

A family of compounds with the same general formula and similar chemical properties, where each member differs by CH2.

What is a functional group?

The atom or group of atoms that gives a molecule its characteristic chemical reactions.

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