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Nuclear magnetic resonance spectroscopy: AQA A‑Level Chemistry questions

Every AQA A-Level Chemistry exam question on 3.3.15 Nuclear magnetic resonance spectroscopy, 2016–2025, with its mark scheme and examiner’s report.

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2,301 questions

  1. Q06.1

    June 2025 · Paper 2

    2 marks3.3.15 Nuclear magnetic resonance spectroscopy
    The whole paper ↗
    June 2025 Paper 2, question 06.1: D2O is used as the solvent when obtaining a 1H NMR spectrum for lysine. Give one reason why D2O is used rather than CCl4 and one reason why D2O is used rather t

  2. Q07.2

    June 2025 · Paper 2

    7 marks3.3.15 Nuclear magnetic resonance spectroscopy
    The whole paper ↗
    June 2025 Paper 2, question 07.2: Compound Q has the molecular formula C5H8O2 Figure 7 shows the 13C NMR spectrum of compound Q. Figure 8 shows the 1H NMR spectrum of compound Q. Figure 7 Figure

  3. Q03.2

    June 2024 · Paper 2

    1 mark3.3.15 Nuclear magnetic resonance spectroscopy
    The whole paper ↗
    June 2024 Paper 2, question 03.2: Figure 2 shows the 13C NMR spectrum for the aromatic hydrocarbon C8H10 Figure 2 Which of these is the structure of C8H10? [1 mark] Tick () one box. A B C D

  4. Q06.3

    June 2024 · Paper 2

    2 marks3.3.15 Nuclear magnetic resonance spectroscopy
    The whole paper ↗
    June 2024 Paper 2, question 06.3: Isomer W has four peaks in its 1H NMR spectrum. Deduce the structure of W. Deduce the integration ratio for the four peaks in the 1H NMR spectrum of W. [2 marks

  5. Q06.4

    June 2024 · Paper 2

    2 marks3.3.15 Nuclear magnetic resonance spectroscopy
    The whole paper ↗
    June 2024 Paper 2, question 06.4: Isomer X has three singlets with integration ratio 1:3:6 in its 1H NMR spectrum. Deduce the structure of X. Explain why the peaks in the 1H NMR spectrum are sin

  6. Q06.5

    June 2024 · Paper 2

    6 marks3.3.15 Nuclear magnetic resonance spectroscopy
    The whole paper ↗
    June 2024 Paper 2, question 06.5: Table 2 shows information about the peaks in the 1H NMR spectrum of isomer Y. Table 2 Chemical shift δ / ppm Integration ratio Splitting pattern 3.65 2 singlet

  7. Q05.2

    June 2023 · Paper 2

    1 mark3.3.15 Nuclear magnetic resonance spectroscopy
    The whole paper ↗
    June 2023 Paper 2, question 05.2: How many different carbon environments are there in a molecule of Z? [1 mark] 5 6 7 8 Tick () one box

  8. Q05.3

    June 2023 · Paper 2

    1 mark3.3.15 Nuclear magnetic resonance spectroscopy
    The whole paper ↗
    June 2023 Paper 2, question 05.3: State the type of carbon environment that causes the peak at ẟ = 174 ppm Use Table C in the Data Booklet to help you answer this question. [1 mark]

  9. Q05.4

    June 2023 · Paper 2

    5 marks3.3.15 Nuclear magnetic resonance spectroscopy
    The whole paper ↗
    June 2023 Paper 2, question 05.4: Table 2 shows data from the 1H NMR spectrum for compound Z. Table 2 Chemical shift ẟ / ppm 4.10 2.60 2.56 2.19 1.26 Integration ratio 2 2 2 3 3 Splitting patter

  10. Q05.5

    June 2023 · Paper 2

    1 mark3.3.15 Nuclear magnetic resonance spectroscopy
    The whole paper ↗
    June 2023 Paper 2, question 05.5: Deduce the part of the structure of Z that causes the peak at ẟ = 2.19 ppm [1 mark] Part of structure

  11. Q05.6

    June 2023 · Paper 2

    1 mark3.3.15 Nuclear magnetic resonance spectroscopy
    The whole paper ↗
    June 2023 Paper 2, question 05.6: Suggest why it would be difficult to determine the structure of Z using the spectrum in Figure 9, without the information in Table 2 on page 13. [1 mark]

  12. Q05.7

    June 2023 · Paper 2

    1 mark3.3.15 Nuclear magnetic resonance spectroscopy
    The whole paper ↗
    June 2023 Paper 2, question 05.7: Deduce the structure of Z. [1 mark]

  13. Q06

    June 2022 · Paper 2

    6 marks3.3.15 Nuclear magnetic resonance spectroscopy3.3.6 Organic analysis
    Mark scheme (PDF)
    The whole paper ↗
    June 2022 Paper 2, question 06: This question is about compound X with the empirical formula C2H4O Figure 2 shows the infrared spectrum of X. Figure 3 shows the 13C NMR spectrum of X. The 1H N

  14. Q06.4

    November 2021 · Paper 2

    2 marks3.3.15 Nuclear magnetic resonance spectroscopy
    The whole paper ↗
    November 2021 Paper 2, question 06.4: Isomer J is cyclic and has an ether functional group (C–O–C) Isomer J has only three peaks in its 13C NMR spectrum. Isomer J Draw two other cyclic isomers of C5

  15. Q07.3

    November 2021 · Paper 2

    5 marks3.3.15 Nuclear magnetic resonance spectroscopy
    The whole paper ↗
    November 2021 Paper 2, question 07.3: Figure 7 shows the 1H NMR spectrum of Q, C3H7ClO Figure 7 Table 4 shows the chemical shifts (δ values) and integration values for each peak. Table 4 δ value / p

  16. Q11

    November 2021 · Paper 3

    1 mark3.3.15 Nuclear magnetic resonance spectroscopy3.3.6 Organic analysis
    The whole paper ↗
    November 2021 Paper 3, question 11: Which statement does not support the suggestion that an unknown organic compound is [1 mark] A Its 1H NMR spectrum has 3 peaks with an integration ratio of 2:3:

  17. Q07.1

    November 2020 · Paper 2

    6 marks3.3.15 Nuclear magnetic resonance spectroscopy
    The whole paper ↗
    November 2020 Paper 2, question 07.1: A compound is usually mixed with Si(CH3)4 and either CCl4 or CDCl3 before recording the compound’s 1H NMR spectrum. State why Si(CH3)4, CCl4 and CDCl3 are used

  18. Q07.2

    November 2020 · Paper 2

    3 marks3.3.15 Nuclear magnetic resonance spectroscopy
    The whole paper ↗
    November 2020 Paper 2, question 07.2: Deduce the splitting pattern for each of the peaks given by the H atoms labelled x, y and z in the 1H NMR spectrum of the compound shown. [3 marks] x y z

  19. Q07.3

    November 2020 · Paper 2

    1 mark3.3.15 Nuclear magnetic resonance spectroscopy
    The whole paper ↗
    November 2020 Paper 2, question 07.3: Suggest why it is difficult to use Table B in the Data Booklet to predict the chemical shift (δ value) for the peak given by the H atom labelled y. [1 mark]

  20. Q07.4

    November 2020 · Paper 2

    2 marks3.3.15 Nuclear magnetic resonance spectroscopy
    The whole paper ↗
    November 2020 Paper 2, question 07.4: Two isomers of CH3CHClCOCH(CH3)2 each have two singlet peaks only in their 1H NMR spectra. In both spectra the integration ratio for the two peaks is 2:9 Deduce
All 35 questions on Nuclear magnetic resonance spectroscopy, as a list
  1. June 2025, Paper 2, Q06.1 (2 marks): D2O is used as the solvent when obtaining a 1H NMR spectrum for lysine. Give one reason why D2O is used rather than CCl4 and one reason why D2O is used rather t
  2. June 2025, Paper 2, Q07.2 (7 marks): Compound Q has the molecular formula C5H8O2 Figure 7 shows the 13C NMR spectrum of compound Q. Figure 8 shows the 1H NMR spectrum of compound Q. Figure 7 Figure
  3. June 2024, Paper 2, Q03.2 (1 mark): Figure 2 shows the 13C NMR spectrum for the aromatic hydrocarbon C8H10 Figure 2 Which of these is the structure of C8H10? [1 mark] Tick () one box. A B C D
  4. June 2024, Paper 2, Q06.3 (2 marks): Isomer W has four peaks in its 1H NMR spectrum. Deduce the structure of W. Deduce the integration ratio for the four peaks in the 1H NMR spectrum of W. [2 marks
  5. June 2024, Paper 2, Q06.4 (2 marks): Isomer X has three singlets with integration ratio 1:3:6 in its 1H NMR spectrum. Deduce the structure of X. Explain why the peaks in the 1H NMR spectrum are sin
  6. June 2024, Paper 2, Q06.5 (6 marks): Table 2 shows information about the peaks in the 1H NMR spectrum of isomer Y. Table 2 Chemical shift δ / ppm Integration ratio Splitting pattern 3.65 2 singlet
  7. June 2023, Paper 2, Q05.2 (1 mark): How many different carbon environments are there in a molecule of Z? [1 mark] 5 6 7 8 Tick () one box
  8. June 2023, Paper 2, Q05.3 (1 mark): State the type of carbon environment that causes the peak at ẟ = 174 ppm Use Table C in the Data Booklet to help you answer this question. [1 mark]
  9. June 2023, Paper 2, Q05.4 (5 marks): Table 2 shows data from the 1H NMR spectrum for compound Z. Table 2 Chemical shift ẟ / ppm 4.10 2.60 2.56 2.19 1.26 Integration ratio 2 2 2 3 3 Splitting patter
  10. June 2023, Paper 2, Q05.5 (1 mark): Deduce the part of the structure of Z that causes the peak at ẟ = 2.19 ppm [1 mark] Part of structure
  11. June 2023, Paper 2, Q05.6 (1 mark): Suggest why it would be difficult to determine the structure of Z using the spectrum in Figure 9, without the information in Table 2 on page 13. [1 mark]
  12. June 2023, Paper 2, Q05.7 (1 mark): Deduce the structure of Z. [1 mark]
  13. June 2022, Paper 2, Q06 (6 marks): This question is about compound X with the empirical formula C2H4O Figure 2 shows the infrared spectrum of X. Figure 3 shows the 13C NMR spectrum of X. The 1H N
  14. November 2021, Paper 2, Q06.4 (2 marks): Isomer J is cyclic and has an ether functional group (C–O–C) Isomer J has only three peaks in its 13C NMR spectrum. Isomer J Draw two other cyclic isomers of C5
  15. November 2021, Paper 2, Q07.3 (5 marks): Figure 7 shows the 1H NMR spectrum of Q, C3H7ClO Figure 7 Table 4 shows the chemical shifts (δ values) and integration values for each peak. Table 4 δ value / p
  16. November 2021, Paper 3, Q11 (1 mark): Which statement does not support the suggestion that an unknown organic compound is [1 mark] A Its 1H NMR spectrum has 3 peaks with an integration ratio of 2:3:
  17. November 2020, Paper 2, Q07.1 (6 marks): A compound is usually mixed with Si(CH3)4 and either CCl4 or CDCl3 before recording the compound’s 1H NMR spectrum. State why Si(CH3)4, CCl4 and CDCl3 are used
  18. November 2020, Paper 2, Q07.2 (3 marks): Deduce the splitting pattern for each of the peaks given by the H atoms labelled x, y and z in the 1H NMR spectrum of the compound shown. [3 marks] x y z
  19. November 2020, Paper 2, Q07.3 (1 mark): Suggest why it is difficult to use Table B in the Data Booklet to predict the chemical shift (δ value) for the peak given by the H atom labelled y. [1 mark]
  20. November 2020, Paper 2, Q07.4 (2 marks): Two isomers of CH3CHClCOCH(CH3)2 each have two singlet peaks only in their 1H NMR spectra. In both spectra the integration ratio for the two peaks is 2:9 Deduce
  21. November 2020, Paper 2, Q08.4 (1 mark): State the number of peaks you would expect in the 13C NMR spectrum for H3Y [1 mark]
  22. June 2019, Paper 2, Q06.2 (2 marks): Compounds A and B both have the molecular formula C4H8Br2 A has a singlet, a triplet and a quartet in its 1H NMR spectrum. B has only two singlets in its 1H NMR
  23. June 2019, Paper 2, Q06.3 (2 marks): Compounds C and D both have the molecular formula C6H3Br3 C has two peaks in its 13C NMR spectrum. D has four peaks in its 13C NMR spectrum. Draw a structure fo
  24. June 2019, Paper 2, Q07.2 (6 marks): Explain how and why isomers X and Y can be distinguished by comparing each of their • boiling points • 13C NMR spectra • infrared spectra. Use data from Tables
  25. June 2019, Paper 2, Q10.3 (1 mark): Compounds with molecular formula C6H14O2 also have a relative molecular mass of 118 to the nearest whole number. These include the diol shown. Deduce the number
  26. June 2019, Paper 2, Q10.4 (1 mark): Draw the structure of a different diol also with molecular formula C6H14O2 that has a 1H NMR spectrum that consists of two singlet peaks. [1 mark]
  27. June 2018, Paper 2, Q11.1 (3 marks): One isomer is shown. Give the number of peaks in the 13C NMR spectrum of this isomer. State and explain the splitting pattern of the peak for the hydrogens labe
  28. June 2018, Paper 2, Q11.3 (2 marks): Draw the structure of the isomer of C6H16N2 that contains two primary amine groups and has only two peaks in its 13C NMR spectrum. [1 mark] 1 1 . 4 Draw the str
  29. June 2018, Paper 3, Q16 (1 mark): How many peaks are there in the 13C NMR spectrum of 1,4-dimethylbenzene? [1 mark] A 8 B 4 C 3 D 2
  30. June 2017, Paper 2, Q10.3 (3 marks): Isomer Q (C6H10O2) is a cyclic compound. The infrared spectrum of Q is shown in Figure 4 and the 13C NMR spectrum of Q is shown in Figure 5. Use these spectra a
  31. June 2017, Paper 2, Q10.4 (3 marks): Isomers R and S are shown. R S Although the 13C spectra of R and S both show the same number of peaks, the spectra can be used to distinguish between the isomer
  32. June 2017, Paper 2, Q10.5 (3 marks): Although the 1H spectra of R and S both show the same number of peaks, the spectra can be used to distinguish between the isomers. Justify this statement using
  33. June 2017, Paper 3, Q29 (1 mark): How many peaks does this compound have in its 13C spectrum? [1 mark] A 5 B 6 C 7 D 8
  34. Specimen, Paper 2, Q03.2 (1 mark): CORRECT METHOD WRONG METHODS 9
  35. Specimen, Paper 3, Q35: Which amine has only three peaks in its proton NMR spectrum? [1 mar A Methylamine B Trimethylamine C Diethylamine D Propylamine 3 5

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