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Reactions of alkenes and alcohols: AQA GCSE Chemistry questions

Every AQA GCSE Chemistry exam question on 4.7.2 Reactions of alkenes and alcohols, 2018–2025, with its mark scheme and examiner’s report.

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1,744 questions

  1. Q05.2

    June 2025 · Paper 2 Higher

    1 mark4.7.2 Reactions of alkenes and alcohols
    The whole paper ↗
    June 2025 Paper 2 Higher, question 05.2: C2H4 reacts with water vapour (steam). Name the compound produced when C2H4 reacts with water vapour. [1 mark] C4H8 reacts with chlorine (Cl2).

  2. Q05.4

    June 2025 · Paper 2 Higher

    1 mark4.7.2 Reactions of alkenes and alcohols
    The whole paper ↗
    June 2025 Paper 2 Higher, question 05.4: Which is the displayed formula of the organic compound produced when C4H8 reacts with chlorine? [1 mark] Tick () one box.

  3. Q05.5

    June 2025 · Paper 2 Higher

    1 mark4.7.2 Reactions of alkenes and alcohols
    The whole paper ↗
    June 2025 Paper 2 Higher, question 05.5: Name the unsaturated hydrocarbon with the formula C3H6 [1 mark]

  4. Q05.6

    June 2025 · Paper 2 Higher

    1 mark4.7.2 Reactions of alkenes and alcohols
    The whole paper ↗
    June 2025 Paper 2 Higher, question 05.6: Why does C3H6 tend to burn in air with a smoky flame? [1 mark]

  5. Q07.5

    June 2025 · Paper 2 Higher

    1 mark4.7.2 Reactions of alkenes and alcohols4.7.3 Synthetic and naturally occurring polymers
    The whole paper ↗
    June 2025 Paper 2 Higher, question 07.5: Complete Figure 5 to show the displayed structural formula of glycine. [1 mark] Figure 5

  6. Q02.1

    June 2025 · Paper 2 Foundation

    1 mark4.7.2 Reactions of alkenes and alcohols
    The whole paper ↗
    June 2025 Paper 2 Foundation, question 02.1: Which alkene has the formula C3H6? [1 mark] Tick () one box. Butene Ethene Propene

  7. Q02.4

    June 2025 · Paper 2 Foundation

    3 marks4.7.2 Reactions of alkenes and alcohols
    The whole paper ↗
    June 2025 Paper 2 Foundation, question 02.4: The percentage (%) by mass of each element in a molecule of C3H6 is: • hydrogen 14% • carbon 86%. Figure 1 shows the percentage by mass of hydrogen in a molecul

  8. Q08.1

    June 2024 · Paper 2 Higher

    1 mark4.7.2 Reactions of alkenes and alcohols
    The whole paper ↗
    June 2024 Paper 2 Higher, question 08.1: Draw a circle around the alkene functional group on Figure 8. [1 mark]

  9. Q08.3

    June 2024 · Paper 2 Higher

    1 mark4.7.2 Reactions of alkenes and alcohols4.7.3 Synthetic and naturally occurring polymers
    The whole paper ↗
    June 2024 Paper 2 Higher, question 08.3: Figure 9 is a repeat of Figure 8. Figure 9 Draw a circle around the ester functional group on Figure 9. [1 mark]

  10. Q08.4

    June 2024 · Paper 2 Higher

    3 marks4.7.2 Reactions of alkenes and alcohols4.1.1 A simple model of the atom, symbols, relative atomic mass, electronic charge and isotopes
    The whole paper ↗
    June 2024 Paper 2 Higher, question 08.4: Compound A has the formula C4H6O2 Compound A is flammable. Write a balanced equation for the complete combustion of compound A. [3 marks] + → +

  11. Q06.3

    June 2024 · Paper 2 Foundation

    1 mark4.7.2 Reactions of alkenes and alcohols
    The whole paper ↗
    June 2024 Paper 2 Foundation, question 06.3: Which of the following shows the displayed structural formula of the compound produced when chlorine reacts with ethene? Use Figure 7. [1 mark] Tick () one box

  12. Q02.1

    June 2023 · Paper 2 Higher

    2 marks4.7.2 Reactions of alkenes and alcohols
    The whole paper ↗
    June 2023 Paper 2 Higher, question 02.1: Calculate the mass of ethanol that must be burned to release the same amount of energy as burning 1.00 g of heptanol. [2 marks] Mass = g

  13. Q02.2

    June 2023 · Paper 2 Higher

    2 marks4.7.2 Reactions of alkenes and alcohols
    The whole paper ↗
    June 2023 Paper 2 Higher, question 02.2: The energy released in kJ/g varies with the number of carbon atoms in one molecule of each alcohol. Plot the data from Table 2 on Figure 2. [2 marks] Figure 2

  14. Q02.3

    June 2023 · Paper 2 Higher

    1 mark4.7.2 Reactions of alkenes and alcohols
    The whole paper ↗
    June 2023 Paper 2 Higher, question 02.3: Estimate the energy released in kJ when 1.00 g of octanol (C8H17OH) is burned. Use Figure 2. [1 mark] Energy released = kJ

  15. Q02.6

    June 2023 · Paper 2 Higher

    1 mark4.7.2 Reactions of alkenes and alcohols
    The whole paper ↗
    June 2023 Paper 2 Higher, question 02.6: What is reacted with ethanol to produce ethanoic acid? [1 mark] Tick () one box. A halogen An alkali metal An oxidising agent Water

  16. Q02.7

    June 2023 · Paper 2 Higher

    1 mark4.7.2 Reactions of alkenes and alcohols
    The whole paper ↗
    June 2023 Paper 2 Higher, question 02.7: Ethanoic acid contains the functional group –COOH Complete the displayed structural formula of this functional group. [1 mark]

  17. Q02.8

    June 2023 · Paper 2 Higher

    2 marks4.7.2 Reactions of alkenes and alcohols
    The whole paper ↗
    June 2023 Paper 2 Higher, question 02.8: Ethanoic acid reacts with different compounds. Draw one line from each compound to a product of the reaction of the compound with ethanoic acid. [2 marks] Compo

  18. Q02.4

    June 2023 · Paper 2 Foundation

    2 marks4.1.1 A simple model of the atom, symbols, relative atomic mass, electronic charge and isotopes4.7.2 Reactions of alkenes and alcohols
    The whole paper ↗
    June 2023 Paper 2 Foundation, question 02.4: Table 2 shows some information about the elements in one molecule of propene. Table 2 Symbol for element Name of element Number of atoms of element in one molec

  19. Q02.7

    June 2023 · Paper 2 Foundation

    2 marks4.7.2 Reactions of alkenes and alcohols4.7.3 Synthetic and naturally occurring polymers
    The whole paper ↗
    June 2023 Paper 2 Foundation, question 02.7: A molecule of hexene contains a double carbon–carbon bond. Many hexene molecules join together to form poly(hexene). Which two words describe a hexene molecule

  20. Q09.1

    June 2023 · Paper 2 Foundation

    2 marks4.7.2 Reactions of alkenes and alcohols
    The whole paper ↗
    June 2023 Paper 2 Foundation, question 09.1: Calculate the mass of ethanol that must be burned to release the same amount of energy as burning 1.00 g of heptanol. [2 marks] Mass = g
All 74 questions on Reactions of alkenes and alcohols, as a list
  1. June 2025, Paper 2 Higher, Q05.2 (1 mark): C2H4 reacts with water vapour (steam). Name the compound produced when C2H4 reacts with water vapour. [1 mark] C4H8 reacts with chlorine (Cl2).
  2. June 2025, Paper 2 Higher, Q05.4 (1 mark): Which is the displayed formula of the organic compound produced when C4H8 reacts with chlorine? [1 mark] Tick () one box.
  3. June 2025, Paper 2 Higher, Q05.5 (1 mark): Name the unsaturated hydrocarbon with the formula C3H6 [1 mark]
  4. June 2025, Paper 2 Higher, Q05.6 (1 mark): Why does C3H6 tend to burn in air with a smoky flame? [1 mark]
  5. June 2025, Paper 2 Higher, Q07.5 (1 mark): Complete Figure 5 to show the displayed structural formula of glycine. [1 mark] Figure 5
  6. June 2025, Paper 2 Foundation, Q02.1 (1 mark): Which alkene has the formula C3H6? [1 mark] Tick () one box. Butene Ethene Propene
  7. June 2025, Paper 2 Foundation, Q02.4 (3 marks): The percentage (%) by mass of each element in a molecule of C3H6 is: • hydrogen 14% • carbon 86%. Figure 1 shows the percentage by mass of hydrogen in a molecul
  8. June 2024, Paper 2 Higher, Q08.1 (1 mark): Draw a circle around the alkene functional group on Figure 8. [1 mark]
  9. June 2024, Paper 2 Higher, Q08.3 (1 mark): Figure 9 is a repeat of Figure 8. Figure 9 Draw a circle around the ester functional group on Figure 9. [1 mark]
  10. June 2024, Paper 2 Higher, Q08.4 (3 marks): Compound A has the formula C4H6O2 Compound A is flammable. Write a balanced equation for the complete combustion of compound A. [3 marks] + → +
  11. June 2024, Paper 2 Foundation, Q06.3 (1 mark): Which of the following shows the displayed structural formula of the compound produced when chlorine reacts with ethene? Use Figure 7. [1 mark] Tick () one box
  12. June 2023, Paper 2 Higher, Q02.1 (2 marks): Calculate the mass of ethanol that must be burned to release the same amount of energy as burning 1.00 g of heptanol. [2 marks] Mass = g
  13. June 2023, Paper 2 Higher, Q02.2 (2 marks): The energy released in kJ/g varies with the number of carbon atoms in one molecule of each alcohol. Plot the data from Table 2 on Figure 2. [2 marks] Figure 2
  14. June 2023, Paper 2 Higher, Q02.3 (1 mark): Estimate the energy released in kJ when 1.00 g of octanol (C8H17OH) is burned. Use Figure 2. [1 mark] Energy released = kJ
  15. June 2023, Paper 2 Higher, Q02.6 (1 mark): What is reacted with ethanol to produce ethanoic acid? [1 mark] Tick () one box. A halogen An alkali metal An oxidising agent Water
  16. June 2023, Paper 2 Higher, Q02.7 (1 mark): Ethanoic acid contains the functional group –COOH Complete the displayed structural formula of this functional group. [1 mark]
  17. June 2023, Paper 2 Higher, Q02.8 (2 marks): Ethanoic acid reacts with different compounds. Draw one line from each compound to a product of the reaction of the compound with ethanoic acid. [2 marks] Compo
  18. June 2023, Paper 2 Foundation, Q02.4 (2 marks): Table 2 shows some information about the elements in one molecule of propene. Table 2 Symbol for element Name of element Number of atoms of element in one molec
  19. June 2023, Paper 2 Foundation, Q02.7 (2 marks): A molecule of hexene contains a double carbon–carbon bond. Many hexene molecules join together to form poly(hexene). Which two words describe a hexene molecule
  20. June 2023, Paper 2 Foundation, Q09.1 (2 marks): Calculate the mass of ethanol that must be burned to release the same amount of energy as burning 1.00 g of heptanol. [2 marks] Mass = g
  21. June 2023, Paper 2 Foundation, Q09.2 (2 marks): The energy released in kJ/g varies with the number of carbon atoms in one molecule of each alcohol. Plot the data from Table 8 on Figure 8. [2 marks] Figure 8
  22. June 2023, Paper 2 Foundation, Q09.3 (1 mark): Estimate the energy released in kJ when 1.00 g of octanol (C8H17OH) is burned. Use Figure 8. [1 mark] Energy released = kJ
  23. June 2023, Paper 2 Foundation, Q09.6 (1 mark): What is reacted with ethanol to produce ethanoic acid? [1 mark] Tick () one box. A halogen An alkali metal An oxidising agent Water
  24. June 2023, Paper 2 Foundation, Q09.7 (1 mark): Ethanoic acid contains the functional group –COOH Complete the displayed structural formula of this functional group. [1 mark]
  25. June 2023, Paper 2 Foundation, Q09.8 (2 marks): Ethanoic acid reacts with different compounds. Draw one line from each compound to a product of the reaction of the compound with ethanoic acid. [2 marks] Compo
  26. June 2022, Paper 2 Higher, Q04.7 (1 mark): Hydrocarbon molecules containing seven and eight carbon atoms can be produced when heavy fuel oil is processed. Which pair of hydrocarbon molecules would both t
  27. June 2022, Paper 2 Foundation, Q04.1 (1 mark): The formula of ethanol is C2H5OH Complete the displayed structural formula of ethanol. [1 mark]
  28. June 2022, Paper 2 Foundation, Q04.2 (1 mark): Which is one use of ethanol? [1 mark] Tick () one box. As a protective coating on aluminium In hand gel to kill microbes To test for the presence of hydrogen g
  29. June 2022, Paper 2 Foundation, Q04.4 (1 mark): Ethanol can be produced from sugar solution by fermentation. What must be added to sugar solution to produce ethanol? [1 mark]
  30. June 2022, Paper 2 Foundation, Q04.7 (1 mark): Table 7 shows the energy content of ethanol and petrol. Table 7 Energy content in MJ (megajoules) per kg Ethanol 30.0 Petrol 46.4 Suggest one disadvantage of us
  31. November 2021, Paper 2 Higher, Q04.5 (1 mark): Draw a circle on Figure 5 around an alcohol functional group. [1 mark]
  32. November 2021, Paper 2 Higher, Q06.1 (2 marks): Describe a test for the double carbon-carbon bond in cycloalkene molecules. Give the result of the test. [2 marks] Test Result
  33. November 2021, Paper 2 Higher, Q06.2 (1 mark): Table 3 shows the name and formula of three cycloalkenes. Table 3 Name Formula Cyclobutene C4H6 Cyclopentene C5H8 Cyclohexene C6H10 Determine the general formul
  34. November 2021, Paper 2 Higher, Q06.3 (2 marks): Complete Figure 7 to show the displayed structural formula of C6H10Cl2 [2 marks] Figure 7
  35. November 2021, Paper 2 Higher, Q10.4 (1 mark): Ethanol can also be produced from sugar solution by adding yeast. Name this process. [1 mark]
  36. November 2021, Paper 2 Higher, Q10.5 (2 marks): Butanol can be produced from sugar solution by adding bacteria. Sugar solution is broken down in similar ways by bacteria and by yeast. Suggest the reaction con
  37. November 2021, Paper 2 Higher, Q10.6 (3 marks): A car needs an average of 1.95 kJ of energy to travel 1 m Ethanol has an energy content of 1300 kilojoules per mole (kJ/mol). Calculate the number of moles of e
  38. November 2021, Paper 2 Foundation, Q07.2 (1 mark): Poly(propene) is a polymer. What is the name of the monomer used to produce poly(propene)? [1 mark] Tick () one box. Propane Propanoic acid Propanol Propene
  39. November 2021, Paper 2 Foundation, Q07.6 (4 marks): Two processes for producing ethanol are: • fermentation • hydration (reacting ethene with steam). Table 5 shows information about the processes. Table 5 Feature
  40. November 2020, Paper 2 Higher, Q03.1 (2 marks): Draw one line from each hydrocarbon to the formula of that hydrocarbon. [2 marks] Hydrocarbon Formula Hexane Hexene C6H8 C6H10 C6H12 C6H14 C6H16
  41. November 2020, Paper 2 Higher, Q03.3 (6 marks): Ethane is an alkane and ethene is an alkene. Figure 1 shows the displayed structural formulae of ethane and of ethene. Figure 1 Compare ethane with ethene. You
  42. November 2020, Paper 2 Higher, Q07.1 (2 marks): Complete Table 3. [2 marks]
  43. November 2020, Paper 2 Higher, Q07.2 (2 marks): Ethanoic acid ionises in water. The equation for the reaction is: CH3COOH(aq) ⇌ CH3COO–(aq) + H+(aq) Explain how the equation shows that ethanoic acid is a weak
  44. November 2020, Paper 2 Higher, Q07.3 (3 marks): A student adds a solution of ethanoic acid to zinc carbonate in an open flask on a balance. Explain what happens to the mass of the flask and its contents durin
  45. November 2020, Paper 2 Higher, Q07.4 (3 marks): The student compares the rates of the reaction of zinc carbonate with: • 0.01 mol/dm3 methanoic acid • 0.01 mol/dm3 ethanoic acid. The rate of the reaction with
  46. November 2020, Paper 2 Higher, Q07.5 (1 mark): Give the name of the ester produced when ethanoic acid reacts with ethanol. [1 mark]
  47. November 2020, Paper 2 Higher, Q07.6 (1 mark): Hexanedioic acid and ethanediol join together to produce a polyester. Ethanoic acid and ethanol join together in the same way to produce an ester. Which is the
  48. November 2020, Paper 2 Foundation, Q07.1 (1 mark): Figure 7 shows the displayed structural formula of ethanol. Figure 7 Draw a circle on Figure 7 around the alcohol functional group. [1 mark]
  49. November 2020, Paper 2 Foundation, Q07.2 (3 marks): An ethanol molecule contains atoms of three different elements. Complete Table 5 to show: • the name of each element • the symbol for each element • the number
  50. November 2020, Paper 2 Foundation, Q07.3 (1 mark): Ethanol removes grass stains from clothes. What type of substance is ethanol when used to remove grass stains? [1 mark] Tick () one box. A solute A solution A
  51. November 2020, Paper 2 Foundation, Q07.4 (1 mark): Complete the sentence. [1 mark] Grape juice can be fermented to produce wine because grape juice contains .
  52. November 2020, Paper 2 Foundation, Q07.5 (1 mark): What is added to grape juice to cause fermentation? [1 mark]
  53. November 2020, Paper 2 Foundation, Q07.6 (1 mark): Ethanol reacts with ethanoic acid to produce an ester. What is the name of the ester produced when ethanol reacts with ethanoic acid? [1 mark] Tick () one box.
  54. November 2020, Paper 2 Foundation, Q07.8 (3 marks): Vinegar is a solution that contains ethanoic acid. 400 cm3 of vinegar contains 20 g of ethanoic acid. Calculate the mass of ethanoic acid in 1.0 dm3 of vinegar.
  55. November 2020, Paper 2 Foundation, Q10.1 (2 marks): Draw one line from each hydrocarbon to the formula of that hydrocarbon. [2 marks] Hydrocarbon Formula Hexane Hexene C6H8 C6H10 C6H12 C6H14 C6H16
  56. November 2020, Paper 2 Foundation, Q10.3 (6 marks): Ethane is an alkane and ethene is an alkene. Figure 8 shows the displayed structural formulae of ethane and of ethene. Figure 8 Compare ethane with ethene. You
  57. June 2018, Paper 2 Higher, Q02.3 (1 mark): Suggest why pyridine and methyl violet are added to ethanol to make methylated spirit. [1 mark]
  58. June 2018, Paper 2 Higher, Q02.4 (1 mark): Suggest one use of methylated spirit. [1 mark]
  59. June 2018, Paper 2 Higher, Q02.5 (3 marks): Describe how ethanol is produced from sugar solution. Give the name of this process. [3 marks]
  60. June 2018, Paper 2 Higher, Q02.6 (1 mark): Figure 2 shows part of the displayed formula for ethanol. Complete Figure 2. [1 mark] Figure 2
  61. June 2018, Paper 2 Higher, Q02.7 (1 mark): Name the gas produced when sodium is added to ethanol. [1 mark]
  62. June 2018, Paper 2 Higher, Q02.8 (1 mark): Methanol is used to produce methanoic acid. What type of substance reacts with methanol to produce methanoic acid? [1 mark]
  63. Specimen, Paper 2 Higher, Q01.3 (1 mark): The hydrocarbon C4H8 was burnt in air. Incomplete combustion occurred. Which equation, A, B, C or D, correctly represents the incomplete combustion reaction? [1
  64. Specimen, Paper 2 Higher, Q01.4: Propanoic acid is a carboxylic acid. Which structure, A, B, C or D, shows propanoic acid? [1 mar Tick one box. A B C D
  65. Specimen, Paper 2 Higher, Q01.5 (1 mark): Propanoic acid is formed by the oxidation of which organic compound? [1 mark Tick one box. Propane Propene Propanol Polyester
  66. Specimen, Paper 2 Higher, Q06.1 (2 marks): Draw the bonds to complete the displayed formulae of ethene and poly(ethene) in the equation. [2 marks]
  67. Specimen, Paper 2 Higher, Q07.7 (4 marks): Two students tested a green compound X. The students added water to compound X. Compound X did not dissolve. The students then added a solution of ethanoic acid
  68. Specimen, Paper 2 Higher, Q10.2 (2 marks): The forward reaction is exothermic. Use Le Chatelier’s Principle to predict the effect of increasing temperature on the amount of ethanol produced at equilibriu
  69. Specimen, Paper 2 Higher, Q10.3 (2 marks): Explain how increasing the pressure of the reactants will affect the amount of ethanol produced at equilibrium. [2 mark
  70. Specimen, Paper 2 Foundation, Q06.2 (1 mark): Which statement is correct? [1 mark] Tick one box. A molecule of ethanol has 5 hydrogen atoms Butanol has the highest boiling point Methanol has the largest mol
  71. Specimen, Paper 2 Foundation, Q06.3: A molecule of methanol has five single covalent bonds. Draw the missing bonds in Figure 6 to complete the displayed formula for methanol. [1 mar Figure 6 H H C
  72. Specimen, Paper 2 Foundation, Q06.4: Complete the word equation for the reaction to produce ethanol. [1 mar + → ethanol
  73. Specimen, Paper 2 Foundation, Q06.5 (1 mark): What happens to the unreacted ethene? [1 mark
  74. Specimen, Paper 2 Foundation, Q06.6 (3 marks): Wine contains ethanol. A bottle of wine was left open in air. After a few days, the wine tasted of vinegar. Vinegar is a solution of ethanoic acid in water. Exp

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