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Introductory organic chemistry
Introductory organic chemistry — Chemistry IAL Past Papers
86 papers, 2014–2025 · Unit 1, Unit 2, Unit 3, Unit 4, Unit 6
Every Chemistry IAL past paper in the collection that assesses introductory organic chemistry.
By unit: all units (86) · Unit 1 (33) · Unit 2 (27) · Unit 3 (12) · Unit 4 (11) · Unit 6 (3)
Unit 1 : on 33 of 33 papers, 1–12 marks a paper (5 on average)Unit 2 : on 27 of 32 papers, 1–7 marks a paper (3 on average)Unit 3 : on 12 of 32 papers, 1–7 marks a paper (3 on average)Unit 4 : on 11 of 31 papers, 1–4 marks a paper (2 on average)Unit 6 : on 3 of 29 papers, 2 marks a paper
Read question by question: blind checks found 112 of 120 question parts tagged with the right topic (95% confidence interval 87.4–96.6%). “needs (a)” names an earlier part the listed parts build on, and “then (c)” a later part that continues from them, so a question can be worked through whole.
How topics are found and checked
Papers
Unit 1 · June 2025 · Q14 (a, b) · 2 marks, Q20 (b(iv)) · 2 marks — question paper and mark scheme
Unit 2 · June 2025 · Q14 (c(iii)) · 2 marks — question paper and mark scheme
Unit 1 · January 2025 · Q14 · 1 mark, Q15 · 1 mark, Q18 · 1 mark, Q21 (a(i), a(ii)) · 4 marks — question paper and mark scheme
Unit 2 · January 2025 · Q1 · 1 mark, Q19 (b(i)) · 1 mark, Q21 (d(i)) · 1 mark — question paper and mark scheme
Unit 1 · October 2024 · Q1 · 1 mark, Q18 (a) · 3 marks — question paper and mark scheme
Unit 2 · October 2024 · Q13 (a) · 1 mark — question paper and mark scheme
Unit 1 · June 2024 · Q3 (a) · 1 mark, Q19 (b(i), c(ii), d) · 4 marks, Q20 (a) · 2 marks — question paper and mark scheme
Unit 2 · June 2024 · Q16 (a(ii)) · 1 mark · needs (a(i)) — question paper and mark scheme
Unit 1 · January 2024 · Q18 (a) · 4 marks, Q19 (b(ii)) · 2 marks · needs (b(i)) — question paper and mark scheme
Unit 3 · January 2024 · Q1 (a, c(ii)) · 4 marks, Q3 (e(i), e(ii)) · 3 marks — question paper and mark scheme
Unit 1 · October 2023 · Q10 (b) · 1 mark, Q17 · 1 mark, Q19 (d(i)) · 2 marks, Q20 (b(i)) · 1 mark — question paper and mark scheme
Unit 2 · October 2023 · Q18 (c(i), c(iii)) · 3 marks — question paper and mark scheme
Unit 1 · June 2023 · Q22 (c(iv)) · 1 mark — question paper and mark scheme
Unit 2 · June 2023 · Q18 (b) · 1 mark, Q19 (a, d(i), d(ii)) · 5 marks — question paper and mark scheme
Unit 3 · June 2023 · Q2 (d(i)) · 3 marks · then (d(iii)) — question paper and mark scheme
Unit 1 · January 2023 · Q15 · 1 mark, Q16 · 1 mark, Q17 · 1 mark, Q21 (a(i)) · 2 marks — question paper and mark scheme
Unit 2 · January 2023 · Q20 (c(ii)) · 3 marks — question paper and mark scheme
Unit 3 · January 2023 · Q1 (a) · 2 marks, Q2 (a(ii)) · 1 mark — question paper and mark scheme
Unit 1 · October 2022 · Q7 (b) · 1 mark, Q15 (a(i)) · 1 mark, Q17 (a, b(iii), e(i)) · 5 marks — question paper and mark scheme
Unit 2 · October 2022 · Q7 · 1 mark, Q23 (d(ii)) · 2 marks — question paper and mark scheme
Unit 1 · June 2022 · Q13 · 1 mark, Q14 · 1 mark, Q22 (a, b, c(i)) · 4 marks — question paper and mark scheme
Unit 2 · June 2022 · Q12 · 1 mark, Q17 (e) · 6 marks — question paper and mark scheme
Unit 1 · January 2022 · Q10 (b) · 1 mark, Q21 (c(i)) · 1 mark — question paper and mark scheme
Unit 2 · January 2022 · Q20 (a) · 2 marks — question paper and mark scheme
Unit 1 · October 2021 · Q15 (b(iii)) · 4 marks — question paper and mark scheme
Unit 2 · October 2021 · Q7 (a, b) · 2 marks — question paper and mark scheme
Unit 3 · October 2021 · Q2 (d(i), d(ii), f(ii)) · 4 marks — question paper and mark scheme
Unit 1 · June 2021 · Q14 · 1 mark, Q21 (b(i), c(i)) · 4 marks, Q23 (e) · 1 mark — question paper and mark scheme
Unit 1 · January 2021 · Q13 · 1 mark, Q14 · 1 mark, Q21 (b) · 1 mark — question paper and mark scheme
Unit 2 · January 2021 · Q14 (a) · 1 mark — question paper and mark scheme
Unit 1 · October 2020 · Q7 · 1 mark, Q8 (a, b) · 2 marks, Q19 (d(i), d(ii)) · 3 marks, Q22 (a, b(i), b(ii), b(v)) · 6 marks · needs (b(iv)) — question paper and mark scheme
Unit 2 · October 2020 · Q16 (a) · 4 marks — question paper and mark scheme
Unit 3 · October 2020 · Q3 (a(iv)) · 2 marks · then (a(v)) — question paper and mark scheme
Unit 1 · January 2020 · Q21 (c(ii), e, f(i)) · 4 marks — question paper and mark scheme
Unit 2 · January 2020 · Q11 (a) · 1 mark — question paper and mark scheme
Unit 1 · October 2019 · Q17 · 1 mark, Q21 (a, b(i), b(ii), f(i)) · 6 marks — question paper and mark scheme
Unit 4 · October 2019 · Q10 · 1 mark — question paper and mark scheme
Unit 6 · October 2019 · Q2 (d) · 2 marks — question paper and mark scheme
Unit 1 · June 2019 · Q5 · 1 mark, Q20 · 1 mark, Q24 (c, d) · 3 marks — question paper and mark scheme
Unit 1 · June 2019 · Q16 · 1 mark, Q17 · 1 mark — question paper and mark scheme
Unit 2 · June 2019 · Q10 · 1 mark, Q11 · 1 mark, Q16 (a(ii), a(iii)) · 2 marks — question paper and mark scheme
Unit 2 · June 2019 · Q13 · 1 mark — question paper and mark scheme
Unit 3 · June 2019 · Q2 (c) · 1 mark — question paper and mark scheme
Unit 4 · June 2019 · Q18 · 1 mark — question paper and mark scheme
Unit 6 · June 2019 · Q2 (c(i), c(iii)) · 2 marks · needs (a(ii)) — question paper and mark scheme
Unit 1 · January 2019 · Q17 · 1 mark, Q19 · 1 mark — question paper and mark scheme
Unit 1 · January 2019 · Q12 · 1 mark, Q13 · 1 mark, Q21 (a(ii)) · 1 mark — question paper and mark scheme
Unit 2 · January 2019 · Q15 (a, b) · 2 marks, Q20 (e(i)) · 1 mark — question paper and mark scheme
Unit 3 · January 2019 · Q5 (c(ii)) · 3 marks — question paper and mark scheme
Unit 4 · January 2019 · Q12 · 1 mark — question paper and mark scheme
Unit 1 · October 2018 · Q16 · 1 mark, Q22 (b) · 1 mark — question paper and mark scheme
Unit 2 · October 2018 · Q18 · 1 mark, Q23 (a(ii)) · 2 marks — question paper and mark scheme
Unit 1 · June 2018 · Q1 · 1 mark, Q19 · 1 mark, Q21 (b(i)) · 2 marks, Q22 (a(i)) · 2 marks, Q23 (a(iii)) · 2 marks — question paper and mark scheme
Unit 2 · June 2018 · Q15 · 1 mark — question paper and mark scheme
Unit 3 · June 2018 · Q2 (a(ii)) · 4 marks · needs (a(i)) · then (c, d(i)) — question paper and mark scheme
Unit 4 · June 2018 · Q4 (b) · 1 mark, Q12 (a(i)) · 2 marks — question paper and mark scheme
Unit 1 · January 2018 · Q8 · 1 mark, Q16 (c(ii)) · 3 marks, Q17 (a(iii)) · 4 marks — question paper and mark scheme
Unit 4 · January 2018 · Q14 · 1 mark, Q18 · 1 mark — question paper and mark scheme
Unit 1 · October 2017 · Q3 · 1 mark, Q4 · 1 mark, Q22 (a(ii), b(ii), d(i), e(iii)) · 5 marks — question paper and mark scheme
Unit 2 · October 2017 · Q20 · 1 mark, Q21 (c(iv)) · 1 mark, Q22 (a(iv)) · 2 marks — question paper and mark scheme
Unit 3 · October 2017 · Q3 (a(i), a(ii), d(ii)) · 3 marks — question paper and mark scheme
Unit 6 · October 2017 · Q4 (b) · 2 marks — question paper and mark scheme
Unit 1 · June 2017 · Q13 · 1 mark — question paper and mark scheme
Unit 2 · June 2017 · Q22 (d(ii)) · 2 marks — question paper and mark scheme
Unit 4 · June 2017 · Q12 · 1 mark, Q14 (a) · 1 mark — question paper and mark scheme
Unit 1 · January 2017 · Q3 · 1 mark, Q4 · 1 mark, Q19 · 1 mark, Q21 (b) · 2 marks, Q23 (a(i), a(ii)) · 4 marks — question paper and mark scheme
Unit 2 · January 2017 · Q21 (e(ii)) · 1 mark — question paper and mark scheme
Unit 1 · October 2016 · Q3 (c) · 1 mark, Q5 · 1 mark, Q15 (b) · 4 marks — question paper and mark scheme
Unit 2 · October 2016 · Q23 (a(ii), b) · 3 marks — question paper and mark scheme
Unit 1 · January 2016 · Q20 (a) · 2 marks, Q21 (a(i)) · 1 mark — question paper and mark scheme
Unit 2 · January 2016 · Q17 · 1 mark, Q21 (c(ii), c(iii)) · 3 marks · needs (c(i)) — question paper and mark scheme
Unit 4 · January 2016 · Q11 · 1 mark — question paper and mark scheme
Unit 1 · June 2015 · Q19 · 1 mark, Q21 (a(i), a(ii), a(iii), a(iv)) · 7 marks — question paper and mark scheme
Unit 2 · June 2015 · Q18 · 1 mark, Q22 (a(v)) · 1 mark — question paper and mark scheme
Unit 3 · June 2015 · Q2 (b) · 1 mark, Q4 (d) · 2 marks — question paper and mark scheme
Unit 4 · June 2015 · Q1 · 1 mark — question paper and mark scheme
Unit 1 · January 2015 · Q19 · 1 mark, Q21 (b(ii), d(i)) · 3 marks — question paper and mark scheme
Unit 2 · January 2015 · Q11 · 1 mark, Q19 (b(i)) · 1 mark — question paper and mark scheme
Unit 4 · January 2015 · Q13 · 1 mark, Q14 · 1 mark, Q24 (b(ii)) · 2 marks · then (b(iv), b(v)) — question paper and mark scheme
Unit 1 · June 2014 · Q17 · 1 mark, Q21 (b(i), b(ii)) · 4 marks — question paper and mark scheme
Unit 2 · June 2014 · Q5 · 1 mark, Q16 · 1 mark — question paper and mark scheme
Unit 3 · June 2014 · Q2 (a(ii)) · 1 mark · then (b) — question paper and mark scheme
Unit 4 · June 2014 · Q18 (c(i), c(ii)) · 3 marks — question paper and mark scheme
Unit 1 · January 2014 · Q16 · 1 mark, Q20 (b(i), c) · 8 marks — question paper and mark scheme
Unit 3 · January 2014 · Q4 (a(i)) · 1 mark — question paper and mark scheme
Unit 4 · January 2014 · Q14 · 1 mark — question paper and mark scheme
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