plumiDeducing structures from combined data: OCR A‑Level Chemistry A questions
OCR A-Level Chemistry A past-paper questions on 4.2.4.4 Deducing structures from combined data, 2016–2025, with mark schemes and examiner’s reports where available.
Paper
All papers
Exam
All years
Calculations
Loading the question…
Open the full PDFQ18(b)
The whole paper ↗
Loading the start of the question…
Loading the question…
Open the full PDFLoading the question…
Open the full PDFLoading the question…
Open the full PDFQ5(f)
The whole paper ↗
Loading the start of the question…
Loading the question…
Open the full PDFLoading the question…
Open the full PDFLoading the question…
Open the full PDF
All 7 questions on Deducing structures from combined data, as a list
- June 2024, AS Paper 2, Q6 (6 marks): 6* Compound X is an organic compound with two functional groups. Compound X has the percentage composition by mass: C, 40.91%; H, 4.54%; O, 54.55%. Compound X d
- June 2022, Paper 2, Q18(b) (4 marks): A student is provided with two unknown carbonyl compounds, F and G. The compounds are analysed and found to have identical percentage compositions by mass: C: 6
- June 2022, AS Paper 2, Q6 (6 marks): 6* The organic compound A is unsaturated and is a trans stereoisomer. Compound A has the following composition by mass: C, 55.8%; H, 7.0%; O, 37.2%. The mass sp
- November 2021, AS Paper 1, Q26 (5 marks): An organic compound E contains C, H and O only. The mass and infrared spectra of organic compound E are shown below. Mass spectrum 100 80 60 relative intensity
- November 2020, AS Paper 2, Q5(f) (6 marks): This question is about the alcohols A–F shown below. OH OH OH A B C OH OH OH D E F (f)* The structures of A–F are repeated below. OH OH OH A B C OH OH OH D E F
- June 2018, AS Paper 2, Q7 (6 marks): 7* Compound F is a trans stereoisomer which is a useful intermediate in organic synthesis. The results of elemental and spectral analysis of compound F are show
- June 2016, AS Paper 2, Q7 (6 marks): 7* Organic compound C has the following percentage composition by mass: C, 54.5%; H, 9.1%; O, 36.4%. The infrared spectrum and mass spectrum of compound C are s
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.