plumiFunctional groups and two-stage synthesis: OCR A‑Level Chemistry A questions
OCR A-Level Chemistry A past-paper questions on 4.2.3.2 Functional groups and two-stage synthesis, 2016–2025, with mark schemes and examiner’s reports where available.
Paper
All papers
Exam
All years
Calculations
Q5(d)(i)
The whole paper ↗
Loading the start of the question…
Loading the question…
Open the full PDFLoading the question…
Open the full PDFYour answerQ6(a)(i)
The whole paper ↗
Loading the start of the question…
Loading the question…
Open the full PDFQ26(c)(ii)
The whole paper ↗
Loading the start of the question…
Loading the question…
Open the full PDF
All 4 questions on Functional groups and two-stage synthesis, as a list
- June 2025, AS Paper 2, Q5(d)(i) (3 marks): Draw the structure of the hydrocarbon alkene X in the box and write down the reagents for each stage on the dotted lines. Alkene X Stage 1 Br Br H CH3 H H C C C
- June 2023, AS Paper 1, Q18 (1 mark): A student has planned the two-stage synthesis shown below. OH OH H3C H C C Intermediate H3C C C H H3C H CH3 H Which compound could be the intermediate for this
- June 2017, AS Paper 2, Q6(a)(i) (2 marks): Suggest the structure of intermediate E and the reagent(s) and conditions for step 2. reagent(s) and conditions [2]
- June 2016, AS Paper 1, Q26(c)(ii) (3 marks): A student plans a two-stage synthesis for preparing compound F from compound B. The synthesis first prepares compound E, as shown in the flowchart. Draw the str
Questions, mark schemes and examiner’s reports are © OCR, from their published past papers. Plumi isn’t affiliated with any exam board. Want whole papers? OCR A-Level Chemistry A past papers, or our free OCR-style practice pack.
The Plumi iPad app also offers exam-style questions with AI feedback on your handwritten working.