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Aromaticity: Eduqas A‑Level Chemistry questions

Every Eduqas A-Level Chemistry exam question on OA1.2 Aromaticity, 2016–2025, with its mark scheme and examiner’s report.

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1,513 questions

  1. Q2(a)

    June 2025 · Component 2

    1 markOA1.2 Aromaticity
    The whole paper ↗
    June 2025 Component 2, question 2(a): State why benzene is normally resistant to addition reactions. [1]

  2. Q9(a)(ii)

    June 2025 · Component 2

    2 marksOA1.2 Aromaticity
    The whole paper ↗
    June 2025 Component 2, question 9(a)(ii): 3-Nitrobenzoic acid is produced during stage 2 The reaction is described as an electrophilic substitution. I. Give the nitrating agent used in stage 2. [1] II.

  3. Q8(a)(i)

    June 2024 · Component 2

    1 markOA1.2 Aromaticity
    The whole paper ↗
    June 2024 Component 2, question 8(a)(i): State the reagent(s) needed for this reaction. [1]

  4. Q8(a)(ii)

    June 2024 · Component 2

    1 markOA1.2 Aromaticity
    The whole paper ↗
    June 2024 Component 2, question 8(a)(ii): The organic products of the reaction contained some unreacted ethylbenzene as well as bromine-containing reaction products. The percentage of bromine in these p

  5. Q8(a)(iii)

    June 2024 · Component 2

    3 marksOA1.2 Aromaticity
    The whole paper ↗
    June 2024 Component 2, question 8(a)(iii): An HPLC chromatogram was taken of the organic products of the reaction. Apart from unreacted ethylbenzene there were four other signals. I. Three signals result

  6. Q12(b)(i)

    June 2024 · Component 2

    2 marksOA1.2 Aromaticity
    The whole paper ↗
    June 2024 Component 2, question 12(b)(i): Starting from nitrobenzene, complete the mechanism for the formation of 1,3-dinitrobenzene. [2] NO2 + NO2 +

  7. Q9(a)(iv)

    Autumn 2021 · Component 2

    2 marksOA1.2 Aromaticity
    The whole paper ↗
    Autumn 2021 Component 2, question 9(a)(iv): Another method of obtaining thymol is by the reaction of 3-methylphenol with 2-chloropropane in a Friedel-Crafts alkylation. Give the equation for this reaction

  8. Q9(b)

    Autumn 2020 · Component 2

    3 marksOA1.2 Aromaticity
    The whole paper ↗
    Autumn 2020 Component 2, question 9(b): Under suitable conditions 2-chlorophenol can be chlorinated giving 2,6-dichlorophenol. Complete the mechanism for this reaction showing appropriate charges, cur

  9. Q9(c)(ii)

    Autumn 2020 · Component 2

    1 markOA1.2 Aromaticity
    The whole paper ↗
    Autumn 2020 Component 2, question 9(c)(ii): Explain why 2,6-dichlorophenol does not react with aqueous sodium hydroxide to give compounds such as benzene-1,2,3-triol. [1] OH OH OH

  10. Q9(c)(ii)

    June 2019 · Component 2

    3 marksOA1.2 Aromaticity
    The whole paper ↗
    June 2019 Component 2, question 9(c)(ii): One method for producing menthol is shown below. stage 1 stage 2 OH OH OH menthol I. Give the systematic name for the starting material. [1] II. Stage 1 is the

  11. Q10(a)(i)

    June 2019 · Component 2

    1 markOA1.2 Aromaticity
    The whole paper ↗
    June 2019 Component 2, question 10(a)(i): State the type of reaction mechanism occurring in stage 1. [1]

  12. Q10(a)(ii)

    June 2019 · Component 2

    1 markOA1.2 Aromaticity
    The whole paper ↗
    June 2019 Component 2, question 10(a)(ii): Suggest why the yield of 1,4-dimethylbenzene in stage 1 will be considerably less than 100 %. Problems with the method should not be considered as part of the a

  13. Q12(d)(i)

    June 2018 · Component 2

    7 marksOA1.2 AromaticityOA3.1 Amines
    The whole paper ↗
    June 2018 Component 2, question 12(d)(i): In the laboratory 4-methylphenol can be made in several stages from methylbenzene. First stage The nitration of methylbenzene CH3 CH3 CH3 NO2 + NO2 Second stage

  14. Q14(a)(i)

    June 2018 · Component 2

    4 marksOA1.2 Aromaticity
    The whole paper ↗
    June 2018 Component 2, question 14(a)(i): Describe the structure and bonding in benzene. Explain why benzene is resistant to addition reactions and why its usual mode of reaction is by substitution. You

  15. Q14(a)(ii)

    June 2018 · Component 2

    3 marksOA1.2 AromaticityC1.3 Chemical calculations
    The whole paper ↗
    June 2018 Component 2, question 14(a)(ii): Benzene is an example of an aromatic compound. There are a number of other aromatic systems. One of these is pyrrole. I. Pyrrole can be made by reacting butan-1

  16. Q9(a)(ii)

    June 2017 · Component 2

    3 marksOA1.2 Aromaticity
    The whole paper ↗
    June 2017 Component 2, question 9(a)(ii): N-phenylethanamide is nitrated by using a mixture of concentrated nitric and sulfuric acids, in the same way as in the nitration of benzene. Complete the mechan

  17. Q9(a)(iii)

    June 2017 · Component 2

    1 markOA1.2 Aromaticity
    The whole paper ↗
    June 2017 Component 2, question 9(a)(iii): By analogy with the nitration of benzene suggest how you could modify the nitration reaction in (ii) to ensure that the dinitro- product is formed. [1]

  18. Q11(a)(i)

    June 2017 · Component 2

    2 marksOA1.2 Aromaticity
    The whole paper ↗
    June 2017 Component 2, question 11(a)(i): The enthalpies of hydrogenation of dihydrofuran and furan are shown below. + H2 ΔH = –107 kJ mol−1 O O dihydrofuran tetrahydrofuran + 2H2 ΔH = –153 kJ mol−1 O O
All 18 questions on Aromaticity, as a list
  1. June 2025, Component 2, Q2(a) (1 mark): State why benzene is normally resistant to addition reactions. [1]
  2. June 2025, Component 2, Q9(a)(ii) (2 marks): 3-Nitrobenzoic acid is produced during stage 2 The reaction is described as an electrophilic substitution. I. Give the nitrating agent used in stage 2. [1] II.
  3. June 2024, Component 2, Q8(a)(i) (1 mark): State the reagent(s) needed for this reaction. [1]
  4. June 2024, Component 2, Q8(a)(ii) (1 mark): The organic products of the reaction contained some unreacted ethylbenzene as well as bromine-containing reaction products. The percentage of bromine in these p
  5. June 2024, Component 2, Q8(a)(iii) (3 marks): An HPLC chromatogram was taken of the organic products of the reaction. Apart from unreacted ethylbenzene there were four other signals. I. Three signals result
  6. June 2024, Component 2, Q12(b)(i) (2 marks): Starting from nitrobenzene, complete the mechanism for the formation of 1,3-dinitrobenzene. [2] NO2 + NO2 +
  7. Autumn 2021, Component 2, Q9(a)(iv) (2 marks): Another method of obtaining thymol is by the reaction of 3-methylphenol with 2-chloropropane in a Friedel-Crafts alkylation. Give the equation for this reaction
  8. Autumn 2020, Component 2, Q9(b) (3 marks): Under suitable conditions 2-chlorophenol can be chlorinated giving 2,6-dichlorophenol. Complete the mechanism for this reaction showing appropriate charges, cur
  9. Autumn 2020, Component 2, Q9(c)(ii) (1 mark): Explain why 2,6-dichlorophenol does not react with aqueous sodium hydroxide to give compounds such as benzene-1,2,3-triol. [1] OH OH OH
  10. June 2019, Component 2, Q9(c)(ii) (3 marks): One method for producing menthol is shown below. stage 1 stage 2 OH OH OH menthol I. Give the systematic name for the starting material. [1] II. Stage 1 is the
  11. June 2019, Component 2, Q10(a)(i) (1 mark): State the type of reaction mechanism occurring in stage 1. [1]
  12. June 2019, Component 2, Q10(a)(ii) (1 mark): Suggest why the yield of 1,4-dimethylbenzene in stage 1 will be considerably less than 100 %. Problems with the method should not be considered as part of the a
  13. June 2018, Component 2, Q12(d)(i) (7 marks): In the laboratory 4-methylphenol can be made in several stages from methylbenzene. First stage The nitration of methylbenzene CH3 CH3 CH3 NO2 + NO2 Second stage
  14. June 2018, Component 2, Q14(a)(i) (4 marks): Describe the structure and bonding in benzene. Explain why benzene is resistant to addition reactions and why its usual mode of reaction is by substitution. You
  15. June 2018, Component 2, Q14(a)(ii) (3 marks): Benzene is an example of an aromatic compound. There are a number of other aromatic systems. One of these is pyrrole. I. Pyrrole can be made by reacting butan-1
  16. June 2017, Component 2, Q9(a)(ii) (3 marks): N-phenylethanamide is nitrated by using a mixture of concentrated nitric and sulfuric acids, in the same way as in the nitration of benzene. Complete the mechan
  17. June 2017, Component 2, Q9(a)(iii) (1 mark): By analogy with the nitration of benzene suggest how you could modify the nitration reaction in (ii) to ensure that the dinitro- product is formed. [1]
  18. June 2017, Component 2, Q11(a)(i) (2 marks): The enthalpies of hydrogenation of dihydrofuran and furan are shown below. + H2 ΔH = –107 kJ mol−1 O O dihydrofuran tetrahydrofuran + 2H2 ΔH = –153 kJ mol−1 O O

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