Me

Chemistry WCH past papers and mark schemes

292 papers · 43 sittings · 2009–2026

Exam datesOctober 2026January 2027May/June 2027

  • An R on the end (WCH12/01R) is the paper another time zone sat. Different questions, same spec.
  • A padlock means Pearson is still keeping that paper for teachers.
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Recent

2024–2026

Teachers like to save these for mocks. Ask before you spoil yours.

2026

JunePearson is keeping 12 papers from this sitting for teachers for now.Try PaperLords ↗

JanuaryPearson is keeping 12 papers from this sitting for teachers for now.Try PaperLords ↗

2025

OctoberPearson is keeping 12 papers from this sitting for teachers for now.Try PaperLords ↗

June7 papers
JuneUnit 1Structure, Bonding and Introduction to Organic Chemistry
JuneUnit 2Energetics, Group Chemistry, Halogenoalkanes and Alcohols
JuneUnit 3Practical Skills in Chemistry I
JuneUnit 4Rates, Equilibria and Further Organic Chemistry
JuneUnit 5Transition Metals and Organic Nitrogen Chemistry
JuneUnit 6Practical Skills in Chemistry II

June 2025 on a page of its own

January6 papers
JanuaryUnit 1Structure, Bonding and Introduction to Organic Chemistry
JanuaryUnit 2Energetics, Group Chemistry, Halogenoalkanes and Alcohols
JanuaryUnit 3Practical Skills in Chemistry I
JanuaryUnit 4Rates, Equilibria and Further Organic Chemistry
JanuaryUnit 5Transition Metals and Organic Nitrogen Chemistry
JanuaryUnit 6Practical Skills in Chemistry II

January 2025 on a page of its own

2024

October6 papers
OctoberUnit 1Structure, Bonding and Introduction to Organic Chemistry
OctoberUnit 2Energetics, Group Chemistry, Halogenoalkanes and Alcohols
OctoberUnit 3Practical Skills in Chemistry I
OctoberUnit 4Rates, Equilibria and Further Organic Chemistry
OctoberUnit 5Transition Metals and Organic Nitrogen Chemistry
OctoberUnit 6Practical Skills in Chemistry II

October 2024 on a page of its own

June8 papers
JuneUnit 1Structure, Bonding and Introduction to Organic Chemistry
JuneUnit 2Energetics, Group Chemistry, Halogenoalkanes and Alcohols
JuneUnit 3Practical Skills in Chemistry I
JuneUnit 4Rates, Equilibria and Further Organic Chemistry
JuneUnit 5Transition Metals and Organic Nitrogen Chemistry
JuneUnit 6Practical Skills in Chemistry II

June 2024 on a page of its own

January6 papers
JanuaryUnit 1Structure, Bonding and Introduction to Organic Chemistry
JanuaryUnit 2Energetics, Group Chemistry, Halogenoalkanes and Alcohols
JanuaryUnit 3Practical Skills in Chemistry I
JanuaryUnit 4Rates, Equilibria and Further Organic Chemistry
JanuaryUnit 5Transition Metals and Organic Nitrogen Chemistry
JanuaryUnit 6Practical Skills in Chemistry II

January 2024 on a page of its own

Past

2016–2023

The main course: close to today’s syllabus, and nobody is saving them.

2023

October6 papers
OctoberUnit 1Structure, Bonding and Introduction to Organic Chemistry
OctoberUnit 2Energetics, Group Chemistry, Halogenoalkanes and Alcohols
OctoberUnit 3Practical Skills in Chemistry I
OctoberUnit 4Rates, Equilibria and Further Organic Chemistry
OctoberUnit 5Transition Metals and Organic Nitrogen Chemistry
OctoberUnit 6Practical Skills in Chemistry II

October 2023 on a page of its own

June6 papers
JuneUnit 1Structure, Bonding and Introduction to Organic Chemistry
JuneUnit 2Energetics, Group Chemistry, Halogenoalkanes and Alcohols
JuneUnit 3Practical Skills in Chemistry I
JuneUnit 4Rates, Equilibria and Further Organic Chemistry
JuneUnit 5Transition Metals and Organic Nitrogen Chemistry
JuneUnit 6Practical Skills in Chemistry II

June 2023 on a page of its own

January6 papers
JanuaryUnit 1Structure, Bonding and Introduction to Organic Chemistry
JanuaryUnit 2Energetics, Group Chemistry, Halogenoalkanes and Alcohols
JanuaryUnit 3Practical Skills in Chemistry I
JanuaryUnit 4Rates, Equilibria and Further Organic Chemistry
JanuaryUnit 5Transition Metals and Organic Nitrogen Chemistry
JanuaryUnit 6Practical Skills in Chemistry II

January 2023 on a page of its own

2022

October6 papers
OctoberUnit 1Structure, Bonding and Introduction to Organic Chemistry
OctoberUnit 2Energetics, Group Chemistry, Halogenoalkanes and Alcohols
OctoberUnit 3Practical Skills in Chemistry I
OctoberUnit 4Rates, Equilibria and Further Organic Chemistry
OctoberUnit 5Transition Metals and Organic Nitrogen Chemistry
OctoberUnit 6Practical Skills in Chemistry II

October 2022 on a page of its own

June6 papers
JuneUnit 1Structure, Bonding and Introduction to Organic Chemistry
JuneUnit 2Energetics, Group Chemistry, Halogenoalkanes and Alcohols
JuneUnit 3Practical Skills in Chemistry I
JuneUnit 4Rates, Equilibria and Further Organic Chemistry
JuneUnit 5Transition Metals and Organic Nitrogen Chemistry
JuneUnit 6Practical Skills in Chemistry II

June 2022 on a page of its own

January6 papers
JanuaryUnit 1Structure, Bonding and Introduction to Organic Chemistry
JanuaryUnit 2Energetics, Group Chemistry, Halogenoalkanes and Alcohols
JanuaryUnit 3Practical Skills in Chemistry I
JanuaryUnit 4Rates, Equilibria and Further Organic Chemistry
JanuaryUnit 5Transition Metals and Organic Nitrogen Chemistry
JanuaryUnit 6Practical Skills in Chemistry II

January 2022 on a page of its own

2021

October6 papers
OctoberUnit 1Structure, Bonding and Introduction to Organic Chemistry
OctoberUnit 2Energetics, Group Chemistry, Halogenoalkanes and Alcohols
OctoberUnit 3Practical Skills in Chemistry I
OctoberUnit 4Rates, Equilibria and Further Organic Chemistry
OctoberUnit 5Transition Metals and Organic Nitrogen Chemistry
OctoberUnit 6Practical Skills in Chemistry II

October 2021 on a page of its own

June6 papers
JuneUnit 1Structure, Bonding and Introduction to Organic Chemistry
JuneUnit 2Energetics, Group Chemistry, Halogenoalkanes and Alcohols
JuneUnit 3Practical Skills in Chemistry I
JuneUnit 4Rates, Equilibria and Further Organic Chemistry
JuneUnit 5Transition Metals and Organic Nitrogen Chemistry
JuneUnit 6Practical Skills in Chemistry II

June 2021 on a page of its own

January6 papers
JanuaryUnit 1Structure, Bonding and Introduction to Organic Chemistry
JanuaryUnit 2Energetics, Group Chemistry, Halogenoalkanes and Alcohols
JanuaryUnit 3Practical Skills in Chemistry I
JanuaryUnit 4Rates, Equilibria and Further Organic Chemistry
JanuaryUnit 5Transition Metals and Organic Nitrogen Chemistry
JanuaryUnit 6Practical Skills in Chemistry II

January 2021 on a page of its own

2020

October9 papers
OctoberUnit 4
OctoberUnit 5
OctoberUnit 6
OctoberUnit 1Structure, Bonding and Introduction to Organic Chemistry
OctoberUnit 2Energetics, Group Chemistry, Halogenoalkanes and Alcohols
OctoberUnit 3Practical Skills in Chemistry I
OctoberUnit 4Rates, Equilibria and Further Organic Chemistry
OctoberUnit 5Transition Metals and Organic Nitrogen Chemistry
OctoberUnit 6Practical Skills in Chemistry II

October 2020 on a page of its own

January4 papers
JanuaryUnit 1Structure, Bonding and Introduction to Organic Chemistry
JanuaryUnit 2Energetics, Group Chemistry, Halogenoalkanes and Alcohols
JanuaryUnit 3Practical Skills in Chemistry I
JanuaryUnit 4Rates, Equilibria and Further Organic Chemistry

January 2020 on a page of its own

2019

October6 papers
OctoberUnit 4
OctoberUnit 5
OctoberUnit 6
OctoberUnit 1Structure, Bonding and Introduction to Organic Chemistry
OctoberUnit 2Energetics, Group Chemistry, Halogenoalkanes and Alcohols
OctoberUnit 3Practical Skills in Chemistry I

October 2019 on a page of its own

June9 papers
JuneUnit 1
JuneUnit 2
JuneUnit 3
JuneUnit 4
JuneUnit 5
JuneUnit 6
JuneUnit 1Structure, Bonding and Introduction to Organic Chemistry
JuneUnit 2Energetics, Group Chemistry, Halogenoalkanes and Alcohols
JuneUnit 3Practical Skills in Chemistry I

June 2019 on a page of its own

January7 papers
JanuaryUnit 1
JanuaryUnit 2
JanuaryUnit 3
JanuaryUnit 4
JanuaryUnit 5
JanuaryUnit 6
JanuaryUnit 1Structure, Bonding and Introduction to Organic Chemistry

January 2019 on a page of its own

2018

October6 papers
OctoberUnit 1
OctoberUnit 2
OctoberUnit 3
OctoberUnit 4
OctoberUnit 5
OctoberUnit 6

October 2018 on a page of its own

June6 papers
JuneUnit 1
JuneUnit 2
JuneUnit 3
JuneUnit 4
JuneUnit 5
JuneUnit 6

June 2018 on a page of its own

January6 papers
JanuaryUnit 1
JanuaryUnit 2
JanuaryUnit 3
JanuaryUnit 4
JanuaryUnit 5
JanuaryUnit 6

January 2018 on a page of its own

2017

October6 papers
OctoberUnit 1
OctoberUnit 2
OctoberUnit 3
OctoberUnit 4
OctoberUnit 5
OctoberUnit 6

October 2017 on a page of its own

June11 papers
JuneUnit 1
JuneUnit 2
JuneUnit 3
  • 6CH03/1AER
JuneUnit 4
JuneUnit 5
JuneUnit 6
  • 6CH06/1AER
JuneUnit 1
JuneUnit 2
JuneUnit 3
JuneUnit 4
JuneUnit 5
JuneUnit 6
JuneUnit 7

June 2017 on a page of its own

January6 papers
JanuaryUnit 1
JanuaryUnit 2
JanuaryUnit 3
JanuaryUnit 4
JanuaryUnit 5
JanuaryUnit 6

January 2017 on a page of its own

2016

October3 papers
OctoberUnit 1
OctoberUnit 2
OctoberUnit 3

October 2016 on a page of its own

June5 papers
JuneUnit 1
JuneUnit 2
JuneUnit 3
  • 6CH03/1AER
JuneUnit 4
JuneUnit 5
JuneUnit 6
  • 6CH06/1AER
JuneUnit 1
JuneUnit 2
JuneUnit 3
JuneUnit 4
JuneUnit 5
JuneUnit 6

June 2016 on a page of its own

January6 papers
JanuaryUnit 1
JanuaryUnit 2
JanuaryUnit 3
JanuaryUnit 4
JanuaryUnit 5
JanuaryUnit 6

January 2016 on a page of its own

Ancient

2015 and earlier

Good practice, but syllabuses move on. Check a topic is still on yours before you panic.

2015

June10 papers
JuneUnit 1
JuneUnit 2
JuneUnit 3
  • 6CH03/1AER
JuneUnit 4
JuneUnit 5
JuneUnit 6
  • 6CH06/1AER
JuneUnit 1
JuneUnit 2
JuneUnit 3
JuneUnit 4
JuneUnit 5
JuneUnit 6

June 2015 on a page of its own

January6 papers
JanuaryUnit 1
JanuaryUnit 2
JanuaryUnit 3
JanuaryUnit 4
JanuaryUnit 5
JanuaryUnit 6

January 2015 on a page of its own

2014

June14 papers
JuneUnit 1
JuneUnit 2
JuneUnit 3
  • 6CH03/01ER
JuneUnit 4
JuneUnit 5
JuneUnit 6
  • 6CH06/01ER
JuneUnit 1
JuneUnit 2
JuneUnit 3
JuneUnit 4
JuneUnit 5
JuneUnit 6

June 2014 on a page of its own

January6 papers
JanuaryUnit 1
JanuaryUnit 2
JanuaryUnit 3
JanuaryUnit 4
JanuaryUnit 5
JanuaryUnit 6

January 2014 on a page of its own

2013

June10 papers
JuneUnit 1
JuneUnit 2
JuneUnit 3
  • 6CH03/1AER
JuneUnit 4
JuneUnit 5
JuneUnit 6
  • 6CH06/1AER
JuneUnit 3B
JuneUnit 6B

June 2013 on a page of its own

2012

June6 papers
JuneUnit 1
JuneUnit 2
JuneUnit 3
  • 6CH03/1AER
JuneUnit 4
JuneUnit 5
JuneUnit 6
  • 6CH06/1AER
JuneUnit 3B
JuneUnit 6B

June 2012 on a page of its own

January6 papers
JanuaryUnit 1
JanuaryUnit 2
JanuaryUnit 4
JanuaryUnit 5
JanuaryUnit 3B
JanuaryUnit 6B

January 2012 on a page of its own

2011

January6 papers
JanuaryUnit 1
JanuaryUnit 2
JanuaryUnit 4
JanuaryUnit 5
JanuaryUnit 3B
JanuaryUnit 6B

January 2011 on a page of its own

2010

June6 papers
JuneUnit 1
JuneUnit 2
JuneUnit 3
  • 6CH03/1AER
JuneUnit 3
  • 6CH03/1BER
JuneUnit 4
JuneUnit 5
JuneUnit 6
  • 6CH06/1AER
JuneUnit 3B
JuneUnit 6B

June 2010 on a page of its own

January4 papers
JanuaryUnit 1
JanuaryUnit 2
JanuaryUnit 4
JanuaryUnit 3B

January 2010 on a page of its own

2009

June3 papers
JuneUnit 1
JuneUnit 2
  • 6CH02/01QPMS
JuneUnit 3B

June 2009 on a page of its own

January2 papers
JanuaryUnit 1
JanuaryUnit 2

January 2009 on a page of its own

END · That’s every Chemistry paper on file. The oldest is from 2009.

About these Chemistry papers

This is every Edexcel International A Level Chemistry question paper on file: 292 papers from 43 sittings, 2009 to 2026. 290 of them have a mark scheme beside them. The newest sitting here is June 2026.

Chemistry is examined in January, June and October. It is made up of Unit 1: Structure, Bonding and Introduction to Organic Chemistry (WCH11), Unit 2: Energetics, Group Chemistry, Halogenoalkanes and Alcohols (WCH12), Unit 3: Practical Skills in Chemistry I (WCH13), Unit 4: Rates, Equilibria and Further Organic Chemistry (WCH14), Unit 5: Transition Metals and Organic Nitrogen Chemistry (WCH15) and Unit 6: Practical Skills in Chemistry II (WCH16).

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