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K223 / K225 Chemistry component · Topic hub

Organic Chemistry

G2 Organic Chemistry hub for fuels, C1–C3 hydrocarbons, prescribed reactions, addition polymers and plastics evaluation.

  • K223 / K225 Chemistry component
  • 1 lesson
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Before you begin

Follow the lesson route in order when this topic is new. During revision, start with the topic check and return to the exact lesson it identifies.

How the ideas connect

  1. Fuels
  2. Homologous series
  3. Reactions
  4. Polymers

Learn in order

Lesson route

01

Organic foundations

  1. 01Organic Compounds, Reactions and PolymersBuild exam-ready understanding of Organic Compounds, Reactions and Polymers.

Prove your understanding

Practice and repair

Recommended next stepOrganic Chemistry topic checkFind the exact idea that needs another look.Start topic check
Key ideas and reference

Use this concise Organic Chemistry checklist for orientation. Open a linked lesson for definitions, equations, methods and worked examples.

  • Build exam-ready understanding of Organic Compounds, Reactions and Polymers.
  • Fuels
Course coverage and review details

Organic Chemistry is presented within K223 / K225 Chemistry component.

Qualification-specific practice evidence remains separate and is never inferred from a page visit.

Reviewed 2026-07-26

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