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Edexcel IAL YCH11 Chemistry Past Papers

Pearson Edexcel International A Level (IAL) YCH11 Chemistry: 6 papers, 96 past papers from 2019 to 2025; 22 can be taken online on Sagacia.

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Papers

PaperTypeMarksMinutesPapersOnline
Unit 1 Structure, Bonding and Introduction to Organic Chemistry (WCH11)written––176
Unit 2 Energetics, Group Chemistry, Halogenoalkanes and Alcohols (WCH12)written––176
Unit 4 Rates, Equilibria and Further Organic Chemistry (WCH14)written––166
Unit 5 Transition Metals and Organic Nitrogen Chemistry (WCH15)written––154
Unit 3 Practical Skills in Chemistry I (WCH13)practical––170
Unit 6 Practical Skills in Chemistry II (WCH16)practical––140

Past papers by series

Gold = available online; grey = coming soon. Click for the paper page.

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Topic coverage (share of marks)

Based on fully verified past papers, sorted by share of marks.

Unit 1 Structure, Bonding and Introduction to Organic Chemistry

1.5 Alkenes92 marks · 29%
1.3 Bonding and Structure65 marks · 21%
1.1 Formulae, Equations and Amount of Substance64 marks · 20%
1.2 Atomic Structure and the Periodic Table58 marks · 18%
1.4 Introductory Organic Chemistry and Alkanes38 marks · 12%

Unit 2 Energetics, Group Chemistry, Halogenoalkanes and Alcohols

2.3 Redox Chemistry and Groups 1, 2 and 791 marks · 32%
2.5 Organic Chemistry: Alcohols, Halogenoalkanes and Spectra69 marks · 24%
2.1 Energetics55 marks · 19%
2.4 Introduction to Kinetics and Equilibria38 marks · 13%
2.2 Intermolecular Forces35 marks · 12%

Unit 4 Rates, Equilibria and Further Organic Chemistry

4.5 Organic Chemistry: Carbonyls, Carboxylic Acids and Chirality96 marks · 27%
4.1 Kinetics83 marks · 23%
4.2 Entropy and Energetics78 marks · 22%
4.4 Acid-base Equilibria56 marks · 15%
4.3 Chemical Equilibria49 marks · 14%

Unit 5 Transition Metals and Organic Nitrogen Chemistry

5.1 Redox Equilibria69 marks · 38%
5.4 Organic Nitrogen Compounds: Amines, Amides, Amino Acids and Proteins37 marks · 21%
5.5 Organic Synthesis36 marks · 20%
5.2 Transition Metals and their Chemistry28 marks · 16%
5.3 Organic Chemistry: Arenes7 marks · 4%
3 marks · 2%

Unit 3 Practical Skills in Chemistry I

E2 Measurement, apparatus and techniques91 marks · 50%
E3 Data processing and graphs48 marks · 26%
E5 Conclusions and evaluation21 marks · 11%
E1 Planning an investigation14 marks · 8%
6 marks · 3%
E4 Uncertainties and errors3 marks · 2%

Unit 6 Practical Skills in Chemistry II

E2 Measurement, apparatus and techniques91 marks · 43%
E3 Data processing and graphs57 marks · 27%
E1 Planning an investigation42 marks · 20%
E5 Conclusions and evaluation19 marks · 9%
E4 Uncertainties and errors3 marks · 1%
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