plumiReactions of benzene: Edexcel International A Level Chemistry questions
Edexcel International A Level Chemistry past-paper questions on 18.1.2 Reactions of benzene, 2019–2025, with mark schemes and examiner’s reports where available.
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Q17(c)(i)
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All 20 questions on Reactions of benzene, as a list
- June 2025 (A), Unit 5, Q17(c)(i) (1 mark): Identify, by name or formula, the reagent used in Reaction 1. (1)
- January 2025, Unit 5, Q22 (6 marks): * 22 Compare and contrast the bromination of benzene and the bromination of phenol. Include equations in your answer. Detailed mechanisms are not required. (6)
- January 2025, Unit 5, Q23(b)(i) (2 marks): Identify, by name or formula, the two reagents needed for Step 1. (2)
- June 2024, Unit 5, Q15(a)(i) (1 mark): The sulfonation of phenol is similar to the sulfonation of benzene. Suggest the reagent(s) required for Reaction A. (1)
- June 2024, Unit 5, Q15(a)(ii) (1 mark): Deduce the structure of intermediate compound B. (1)
- January 2024, Unit 5, Q14(a)(i) (2 marks): Identify, by name or formula, the second reagent and the electrophile. (2)
- October 2023, Unit 5, Q15(a) (1 mark): Step 1 takes place using a mixture of concentrated nitric acid and concentrated sulfuric acid at 55°C. Why is the reaction not carried out at 80°C? (1) A furthe
- October 2023, Unit 5, Q20(a)(ii) (6 marks): Compare and contrast the reaction of benzene with bromine with the reactions of cyclohexene with bromine and of phenol with bromine. Include reasons for any dif
- June 2023, Unit 5, Q25(d)(ii) (2 marks): A low yield of 2,6-dimethylnitrobenzene is obtained in Step 1 due to the formation of additional organic products. Give possible structures for two additional o
- June 2023, Unit 6, Q4(b) (1 mark): Side products form if the temperature rises above 15 °C in Step 4. Give the structure of one side product that may form. (1)
- October 2022, Unit 5, Q11 (1 mark): Benzene reacts with fuming sulfuric acid to form benzenesulfonic acid. Fuming sulfuric acid is A sulfuric acid with a concentration of 98 % B pure sulfuric acid
- October 2022, Unit 5, Q20 (6 marks): *20 Delocalised electron systems are important in determining the chemical properties of some compounds. Compare and contrast the chemical reactions of bromine
- June 2022, Unit 5, Q12(b) (1 mark): Give a reason why it is important to keep the temperature below 30 °C in Step 2. (1)
- January 2022, Unit 5, Q6(b) (1 mark): What type of reaction takes place? (1) A nucleophilic addition B nucleophilic substitution C electrophilic addition D electrophilic substitution
- January 2022, Unit 5, Q16(b)(i) (5 marks): In Step 1, benzoic acid reacts with concentrated nitric acid to form 3‑nitrobenzoic acid. HO O HO O C C conc. H2SO4 catalyst + concentrated HNO3 NO2 benzoic aci
- October 2021, Unit 5, Q11 (1 mark): Which of these could not be formed when excess benzene is heated with trichloromethane, CHCl3, in the presence of an aluminium chloride catalyst? Cl A B Cl Cl C
- October 2021, Unit 5, Q19(f)(i) (2 marks): Draw the skeletal formulae of three different arenes with the formula CH3COC6H4CH3 . (2)
- June 2021, Unit 5, Q10 (1 mark): What is the product when benzene reacts with fuming sulfuric acid? O S A O O O S OH B O O C S OH OH O D S OH O Use this space for any rough working. Anything yo
- October 2020, Unit 5, Q3 (1 mark): Which reagent and catalyst will convert benzene into phenylethanone? O C CH3 Reagent Catalyst A ethanal aluminium chloride B ethanal platinum C ethanoyl chlorid
- October 2020, Unit 5, Q4 (1 mark): Chlorine reacts with methylbenzene in the presence of ultraviolet light. Which of these is a product of this reaction? CH2Cl Cl A B Cl CH3 CH2Cl C D Cl Cl Cl Us
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