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Organic compounds: Eduqas A‑Level Chemistry questions

Every Eduqas A-Level Chemistry exam question on C3.1 Organic compounds, 2016–2025, with its mark scheme and examiner’s report.

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1,513 questions

  1. Q6(d)

    June 2025 · Component 2

    1 markC3.1 Organic compounds
    The whole paper ↗
    June 2025 Component 2, question 6(d): Give the skeletal formula of methacrylic acid (MAA). [1]

  2. Q7(b)(ii)

    June 2025 · Component 2

    1 markC3.1 Organic compounds
    The whole paper ↗
    June 2025 Component 2, question 7(b)(ii): Suggest a structure for another compound of molecular formula C4H8O2 that has no reaction with any of the reagents listed in part (i). [1]

  3. Q10(c)(ii)

    June 2025 · Component 2

    1 markC3.1 Organic compounds
    The whole paper ↗
    June 2025 Component 2, question 10(c)(ii): Give the structure of an alkene of formula C5H10 that shows E-Z isomerism. [1]

  4. Q11(a)(i)

    June 2025 · Component 2

    1 markC3.1 Organic compounds
    The whole paper ↗
    June 2025 Component 2, question 11(a)(i): Give the systematic name of this acid. [1]

  5. Q1

    June 2025 · AS Component 2

    1 markC3.1 Organic compounds
    The whole paper ↗
    June 2025 AS Component 2, question 1: The skeletal formula of a compound is shown below. Name the compound. [1]

  6. Q2

    June 2025 · AS Component 2

    1 markC3.1 Organic compounds
    The whole paper ↗
    June 2025 AS Component 2, question 2: Draw the structure of 2,3-dimethylpentanoic acid. [1]

  7. Q4(a)

    June 2025 · AS Component 2

    1 markC3.1 Organic compounds
    The whole paper ↗
    June 2025 AS Component 2, question 4(a): State why ammonia is classified as a nucleophilic reagent. [1]

  8. Q1(a)

    June 2024 · Component 2

    1 markC3.1 Organic compounds
    The whole paper ↗
    June 2024 Component 2, question 1(a): Give the skeletal formula of this compound. [1]

  9. Q7(c)

    June 2024 · Component 2

    1 markC3.1 Organic compounds
    The whole paper ↗
    June 2024 Component 2, question 7(c): Dimethyl fumarate and dimethyl maleate are the E-Z stereoisomers of dimethyl ethenedioate. Draw the structure of dimethyl fumarate. [1]

  10. Q11(a)(i)

    June 2024 · Component 2

    1 markC3.1 Organic compounds
    The whole paper ↗
    June 2024 Component 2, question 11(a)(i): Give the systematic name of the trihydric alcohol. [1]

  11. Q1

    June 2024 · AS Component 2

    1 markC3.1 Organic compounds
    The whole paper ↗
    June 2024 AS Component 2, question 1: Name the type of bond fission that leads to the formation of radicals. [1]

  12. Q3

    June 2024 · AS Component 2

    1 markC3.1 Organic compounds
    The whole paper ↗
    June 2024 AS Component 2, question 3: Draw the structure of 3-chloro-2-methylbutan-2-ol. [1]

  13. Q5(a)

    June 2024 · AS Component 2

    1 markC3.1 Organic compounds
    The whole paper ↗
    June 2024 AS Component 2, question 5(a): State the molecular formula of the compound. [1]

  14. Q7(a)(ii)

    June 2024 · AS Component 2

    1 markC3.1 Organic compounds
    The whole paper ↗
    June 2024 AS Component 2, question 7(a)(ii): Triptane is one structural isomer with the molecular formula C7H16 H H H H C H H C H H H C C C C H H H C H H H H Give the systematic name of this isomer. [1]

  15. Q7(a)(iii)

    June 2024 · AS Component 2

    3 marksC3.1 Organic compounds
    The whole paper ↗
    June 2024 AS Component 2, question 7(a)(iii): The boiling temperatures in °C for heptane, triptane and decane, which are not given in any particular order, are 81, 98 and 174 Deduce the boiling temperature

  16. Q2(a)

    Autumn 2020 · Component 2

    1 markC3.1 Organic compounds
    The whole paper ↗
    Autumn 2020 Component 2, question 2(a): Give the molecular formula of xylitol. [1]

  17. Q1(a)

    Autumn 2020 · Component 3

    2 marksC3.1 Organic compounds
    The whole paper ↗
    Autumn 2020 Component 3, question 1(a): Give the systematic names of compounds D and H. [2] D H

  18. Q1

    Autumn 2020 · AS Component 2

    1 markC3.1 Organic compounds
    The whole paper ↗
    Autumn 2020 AS Component 2, question 1: Name the compound whose formula is shown below. [1] H Br H H H C C C C H H OH H H

  19. Q2(b)

    Autumn 2020 · AS Component 2

    1 markC3.1 Organic compounds
    The whole paper ↗
    Autumn 2020 AS Component 2, question 2(b): Draw the skeletal formula of myrcene. [1]

  20. Q8(d)(i)

    Autumn 2020 · AS Component 2

    1 markC3.1 Organic compounds
    The whole paper ↗
    Autumn 2020 AS Component 2, question 8(d)(i): State the meaning of the term structural isomers. [1]
All 40 questions on Organic compounds, as a list
  1. June 2025, Component 2, Q6(d) (1 mark): Give the skeletal formula of methacrylic acid (MAA). [1]
  2. June 2025, Component 2, Q7(b)(ii) (1 mark): Suggest a structure for another compound of molecular formula C4H8O2 that has no reaction with any of the reagents listed in part (i). [1]
  3. June 2025, Component 2, Q10(c)(ii) (1 mark): Give the structure of an alkene of formula C5H10 that shows E-Z isomerism. [1]
  4. June 2025, Component 2, Q11(a)(i) (1 mark): Give the systematic name of this acid. [1]
  5. June 2025, AS Component 2, Q1 (1 mark): The skeletal formula of a compound is shown below. Name the compound. [1]
  6. June 2025, AS Component 2, Q2 (1 mark): Draw the structure of 2,3-dimethylpentanoic acid. [1]
  7. June 2025, AS Component 2, Q4(a) (1 mark): State why ammonia is classified as a nucleophilic reagent. [1]
  8. June 2024, Component 2, Q1(a) (1 mark): Give the skeletal formula of this compound. [1]
  9. June 2024, Component 2, Q7(c) (1 mark): Dimethyl fumarate and dimethyl maleate are the E-Z stereoisomers of dimethyl ethenedioate. Draw the structure of dimethyl fumarate. [1]
  10. June 2024, Component 2, Q11(a)(i) (1 mark): Give the systematic name of the trihydric alcohol. [1]
  11. June 2024, AS Component 2, Q1 (1 mark): Name the type of bond fission that leads to the formation of radicals. [1]
  12. June 2024, AS Component 2, Q3 (1 mark): Draw the structure of 3-chloro-2-methylbutan-2-ol. [1]
  13. June 2024, AS Component 2, Q5(a) (1 mark): State the molecular formula of the compound. [1]
  14. June 2024, AS Component 2, Q7(a)(ii) (1 mark): Triptane is one structural isomer with the molecular formula C7H16 H H H H C H H C H H H C C C C H H H C H H H H Give the systematic name of this isomer. [1]
  15. June 2024, AS Component 2, Q7(a)(iii) (3 marks): The boiling temperatures in °C for heptane, triptane and decane, which are not given in any particular order, are 81, 98 and 174 Deduce the boiling temperature
  16. Autumn 2020, Component 2, Q2(a) (1 mark): Give the molecular formula of xylitol. [1]
  17. Autumn 2020, Component 3, Q1(a) (2 marks): Give the systematic names of compounds D and H. [2] D H
  18. Autumn 2020, AS Component 2, Q1 (1 mark): Name the compound whose formula is shown below. [1] H Br H H H C C C C H H OH H H
  19. Autumn 2020, AS Component 2, Q2(b) (1 mark): Draw the skeletal formula of myrcene. [1]
  20. Autumn 2020, AS Component 2, Q8(d)(i) (1 mark): State the meaning of the term structural isomers. [1]
  21. Autumn 2020, AS Component 2, Q8(d)(ii) (2 marks): Draw the structure of both isomers. [2]
  22. June 2019, Component 2, Q13(b)(i) (1 mark): State why this compound does not show E-Z isomerism. [1]
  23. June 2019, Component 2, Q13(b)(ii) (1 mark): Draw the structure of a ketone with the same molecular formula that can exist as E-Z isomers. [1]
  24. June 2019, AS Component 2, Q3(a) (1 mark): Explain what is meant by an electrophile. [1]
  25. June 2019, AS Component 2, Q3(b) (1 mark): Give an example of an electrophile. [1]
  26. June 2019, AS Component 2, Q4(a) (1 mark): Draw the skeletal formula for 3,4-dimethylpentan-2-ol. [1]
  27. June 2019, AS Component 2, Q10(d) (2 marks): Ethanol and hexan-1-ol are both primary alcohols. Explain why ethanol is soluble in water but hexan-1-ol is not. [2]
  28. June 2018, Component 3, Q2(a) (2 marks): Give the structural formula and systematic name of alcohol D. [2]
  29. June 2018, AS Component 2, Q3 (1 mark): Explain the meaning of the term heterolytic bond fission. [1]
  30. June 2018, AS Component 2, Q8(b)(i) (1 mark): Name the functional groups present in the compound. [1]
  31. June 2018, AS Component 2, Q8(b)(ii) (1 mark): State the molecular formula of the compound. [1]
  32. June 2017, Component 2, Q5 (1 mark): Draw the displayed formula of the compound that has the same molecular formula as ethanal, CH3CHO. [1]
  33. June 2017, Component 2, Q13(d)(ii) (2 marks): Both but-2-ene and penta-1,3-diene can exist as E-Z isomers. Explain why this type of isomerism occurs and give the displayed formula of E-penta-1,3-diene. [2]
  34. June 2017, AS Component 2, Q1(a) (1 mark): The following compound is produced by reforming. CH3 CH3 CH3 C CH2 C CH3 CH3 H Give the systematic name for this compound. [1]
  35. June 2017, AS Component 2, Q4(a) (1 mark): Draw the skeletal formula of pent-2-en-4-ol. [1]
  36. June 2017, AS Component 2, Q7(f)(i) (1 mark): Explain what is meant by a radical. [1]
  37. June 2016, AS Component 2, Q1(a) (1 mark): Draw its skeletal formula. [1]
  38. June 2016, AS Component 2, Q1(b) (1 mark): Draw the displayed formula for the straight-chained isomer with the same molecular formula as 3-ethyl-2-methylpentane. [1]
  39. June 2016, AS Component 2, Q3 (1 mark): Give the formula of one example of an electrophile. [1]
  40. June 2016, AS Component 2, Q7(d) (2 marks): Explain why 1-chlorobutane has a higher boiling temperature than chloroethane. [2]

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