Edexcel A-Level Chemistry Past Papers, Mark Schemes & Examiner Reports
Free Pearson Edexcel WCH Chemistry past papers, marking schemes and examiner feedback from 2019 to 2026. Use the filters or browse by unit and year to find exactly the paper, mark scheme or examiner report you need for revision.
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What each Edexcel Chemistry unit covers
Click a unit below to see all of its past papers, mark schemes and examiner reports in one place.
Unit 1: Structure, Bonding and Introduction to Organic Chemistry
Foundations of chemistry: formulae and moles, atomic structure and the Periodic Table, bonding and structure, and an introduction to organic chemistry covering alkanes and alkenes.
View Unit 1 papers →Unit 2: Energetics, Group Chemistry, Halogenoalkanes and Alcohols
Builds on Unit 1 with energy changes, intermolecular forces, the chemistry of Groups 1, 2 and 7, an introduction to kinetics and equilibria, and the organic chemistry of halogenoalkanes and alcohols.
View Unit 2 papers →Unit 3: Practical Skills in Chemistry I
Externally assessed paper on practical chemistry from Units 1 and 2: planning, implementing, analysing and evaluating experimental work, including the AS core practicals.
View Unit 3 papers →Unit 4: Rates, Equilibria and Further Organic Chemistry
Quantitative kinetics, entropy and Gibbs energy, equilibrium constants and acid–base equilibria, plus further organic chemistry of carbonyls, carboxylic acids and chirality.
View Unit 4 papers →Unit 5: Transition Metals and Organic Nitrogen Chemistry
Redox equilibria and electrochemical cells, transition metal chemistry and complex ions, arenes, organic nitrogen compounds and modern analytical techniques.
View Unit 5 papers →Unit 6: Practical Skills in Chemistry II
Externally assessed paper on practical chemistry from Units 4 and 5: planning, implementing, analysing and evaluating advanced experiments, including the IA2 core practicals.
View Unit 6 papers →Revision tips for Edexcel past papers
- Start with the most recent papers (2024-2026) to get used to the current style and command words.
- Attempt each paper under timed conditions before checking the mark scheme.
- Review the examiner report for common mistakes and the precise wording examiners reward.
- Focus on one unit at a time, then mix papers closer to the exam to build stamina.
- Use the mark scheme to write concise “model” answers for questions you got wrong.
Frequently asked questions about Edexcel Chemistry past papers
- What does WCH mean in Edexcel A-Level Chemistry past papers?
- WCH is the Pearson Edexcel subject code for A-Level Chemistry. Papers are labelled WCH11–WCH16 for the six units, with WCH01–WCH06 sometimes used for International A-Level (IAL) papers.
- How is each Edexcel Chemistry unit assessed?
- Units 1–4 are written exam papers lasting 1 hour 30 minutes to 1 hour 45 minutes. Units 5 and 6 are longer papers covering the full A-Level content. Unit 6 also includes the written assessment of core practicals.
- What is the difference between a question paper, mark scheme and examiner report?
- The question paper is the exam students sit. The mark scheme shows the exact points examiners award. The examiner report explains common mistakes and highlights answers that gained or lost marks.
- Which past papers should I do first for Edexcel Chemistry?
- Start with the most recent papers (2024–2026) because they reflect the current specification and command-word style. Then fill gaps with older papers for extra practice.
- Can I use old-spec Edexcel Chemistry papers for revision?
- Yes, but check the topic coverage first. The 2019–2026 WCH specification changed some content order and practical emphasis, so treat older questions as practice rather than exact predictions.