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Alcohols and phenols: WJEC A‑Level Chemistry questions

Every WJEC A-Level Chemistry exam question on 4.3 Alcohols and phenols, 2016–2025, with its mark scheme and examiner’s report.

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1,204 questions

  1. Q4(a)

    Summer 2025 · Unit 4

    1 mark4.3 Alcohols and phenols
    The whole paper ↗
    Summer 2025 Unit 4, question 4(a): Explain why 4-bromophenol reacts with alkalis like sodium hydroxide. [1]

  2. Q5(b)(ii)

    Summer 2025 · Unit 4

    1 mark4.3 Alcohols and phenols
    The whole paper ↗
    Summer 2025 Unit 4, question 5(b)(ii): State what is seen when a solution of compound E is treated with aqueous iron(III) chloride solution. [1]

  3. Q5(b)(iii)

    Summer 2025 · Unit 4

    4 marks4.3 Alcohols and phenols1.3 Chemical calculations
    The whole paper ↗
    Summer 2025 Unit 4, question 5(b)(iii): Compound E reacts with bromine to give compound F. Compound F does not contain an alkene functional group. Analysis of compounds E and F for the percentage of c

  4. Q1

    Summer 2024 · Unit 4

    1 mark4.3 Alcohols and phenols
    The whole paper ↗
    Summer 2024 Unit 4, question 1: Phenylmethyl ethanoate, used in perfumery, is made by reacting phenylmethanol and ethanoyl chloride. Complete the equation for this reaction, showing the struct

  5. Q7(d)(i)

    Summer 2024 · Unit 4

    1 mark4.3 Alcohols and phenols
    The whole paper ↗
    Summer 2024 Unit 4, question 7(d)(i): State what is seen when compound J reacts with iron(III) chloride solution. [1]

  6. Q7(d)(iv)

    Summer 2024 · Unit 4

    1 mark4.3 Alcohols and phenols
    The whole paper ↗
    Summer 2024 Unit 4, question 7(d)(iv): Give the structure of the compound formed when compound J reacts with ethanoyl chloride. [1]

  7. Q10(b)(i)

    Summer 2023 · Unit 4

    1 mark4.3 Alcohols and phenols
    The whole paper ↗
    Summer 2023 Unit 4, question 10(b)(i): Describe what is seen if a few drops of iron(III) chloride solution are added to a solution of eugenol. [1]

  8. Q10(b)(ii)

    Summer 2023 · Unit 4

    1 mark4.3 Alcohols and phenols
    The whole paper ↗
    Summer 2023 Unit 4, question 10(b)(ii): State the colour change that occurs if a few drops of aqueous bromine are added to a solution of eugenol. [1]

  9. Q10(b)(iv)

    Summer 2023 · Unit 4

    2 marks4.3 Alcohols and phenols
    The whole paper ↗
    Summer 2023 Unit 4, question 10(b)(iv): Explain how adding aqueous sodium hydroxide at room temperature to a solution of eugenol and eugenyl ethanoate dissolved in trichloromethane, enables the two co

  10. Q9(a)(iv)

    Summer 2022 · Unit 4

    2 marks4.3 Alcohols and phenols
    The whole paper ↗
    Summer 2022 Unit 4, question 9(a)(iv): Complete the table below, indicating what is observed (if anything) when guaiacol reacts with aqueous solutions of these reagents. [2] Reagent FeCl3 NaHCO3 Obse

  11. Q9(e)

    Summer 2022 · Unit 4

    1 mark4.3 Alcohols and phenols
    The whole paper ↗
    Summer 2022 Unit 4, question 9(e): Phenol reacts with aqueous bromine to give 2,4,6-tribromophenol. If aqueous bromine is added slowly to an aqueous solution of phenol, describe how you would kno

  12. Q9(f)(i)

    Summer 2022 · Unit 4

    1 mark4.3 Alcohols and phenols
    The whole paper ↗
    Summer 2022 Unit 4, question 9(f)(i): Write the equation for this reaction. [1]

  13. Q1

    Summer 2017 · Unit 4

    2 marks4.3 Alcohols and phenols
    The whole paper ↗
    Summer 2017 Unit 4, question 1: State what is seen, if anything, when aqueous phenol is added to aqueous solutions of the following reagents. [2] Reagent Observation iron(III) chloride sodium

  14. Q7

    Summer 2017 · Unit 4

    1 mark4.3 Alcohols and phenols
    The whole paper ↗
    Summer 2017 Unit 4, question 7: Give the displayed formula of the organic compound obtained when cyclohexanol (C6H11OH) reacts with ethanoyl chloride. [1]

  15. Q11(d)(i)

    Summer 2017 · Unit 4

    1 mark4.3 Alcohols and phenols
    The whole paper ↗
    Summer 2017 Unit 4, question 11(d)(i): The reaction is exothermic. Suggest how the reaction mixture could be maintained at close to room temperature. [1]

  16. Q12(c)(ii)

    Summer 2017 · Unit 4

    1 mark4.3 Alcohols and phenols
    The whole paper ↗
    Summer 2017 Unit 4, question 12(c)(ii): Suggest a displayed formula for a compound produced when excess aqueous bromine is added to resveratrol. [1]
All 16 questions on Alcohols and phenols, as a list
  1. Summer 2025, Unit 4, Q4(a) (1 mark): Explain why 4-bromophenol reacts with alkalis like sodium hydroxide. [1]
  2. Summer 2025, Unit 4, Q5(b)(ii) (1 mark): State what is seen when a solution of compound E is treated with aqueous iron(III) chloride solution. [1]
  3. Summer 2025, Unit 4, Q5(b)(iii) (4 marks): Compound E reacts with bromine to give compound F. Compound F does not contain an alkene functional group. Analysis of compounds E and F for the percentage of c
  4. Summer 2024, Unit 4, Q1 (1 mark): Phenylmethyl ethanoate, used in perfumery, is made by reacting phenylmethanol and ethanoyl chloride. Complete the equation for this reaction, showing the struct
  5. Summer 2024, Unit 4, Q7(d)(i) (1 mark): State what is seen when compound J reacts with iron(III) chloride solution. [1]
  6. Summer 2024, Unit 4, Q7(d)(iv) (1 mark): Give the structure of the compound formed when compound J reacts with ethanoyl chloride. [1]
  7. Summer 2023, Unit 4, Q10(b)(i) (1 mark): Describe what is seen if a few drops of iron(III) chloride solution are added to a solution of eugenol. [1]
  8. Summer 2023, Unit 4, Q10(b)(ii) (1 mark): State the colour change that occurs if a few drops of aqueous bromine are added to a solution of eugenol. [1]
  9. Summer 2023, Unit 4, Q10(b)(iv) (2 marks): Explain how adding aqueous sodium hydroxide at room temperature to a solution of eugenol and eugenyl ethanoate dissolved in trichloromethane, enables the two co
  10. Summer 2022, Unit 4, Q9(a)(iv) (2 marks): Complete the table below, indicating what is observed (if anything) when guaiacol reacts with aqueous solutions of these reagents. [2] Reagent FeCl3 NaHCO3 Obse
  11. Summer 2022, Unit 4, Q9(e) (1 mark): Phenol reacts with aqueous bromine to give 2,4,6-tribromophenol. If aqueous bromine is added slowly to an aqueous solution of phenol, describe how you would kno
  12. Summer 2022, Unit 4, Q9(f)(i) (1 mark): Write the equation for this reaction. [1]
  13. Summer 2017, Unit 4, Q1 (2 marks): State what is seen, if anything, when aqueous phenol is added to aqueous solutions of the following reagents. [2] Reagent Observation iron(III) chloride sodium
  14. Summer 2017, Unit 4, Q7 (1 mark): Give the displayed formula of the organic compound obtained when cyclohexanol (C6H11OH) reacts with ethanoyl chloride. [1]
  15. Summer 2017, Unit 4, Q11(d)(i) (1 mark): The reaction is exothermic. Suggest how the reaction mixture could be maintained at close to room temperature. [1]
  16. Summer 2017, Unit 4, Q12(c)(ii) (1 mark): Suggest a displayed formula for a compound produced when excess aqueous bromine is added to resveratrol. [1]

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