plumiAlkanes: Edexcel International GCSE Chemistry questions
Every Edexcel International GCSE Chemistry exam question on Alkanes (specification points 4.19–4.22), 2019–2025, with its mark scheme and examiner’s report.
Paper
All papers
Exam
All years
Calculations
Q5(a)
The whole paper ↗Q5(c)(ii)
The whole paper ↗Q9(d)(ii)
The whole paper ↗Q2(c)(i)
The whole paper ↗Q2(c)(ii)
The whole paper ↗Q2(c)(iii)
The whole paper ↗Q10(a)(ii)
The whole paper ↗Q2(d)
The whole paper ↗Q5(a)(ii)
The whole paper ↗Q5(b)(i)
The whole paper ↗Q5(b)(ii)
The whole paper ↗Q5(b)(iii)
The whole paper ↗Q5(c)
The whole paper ↗Q7(f)(i)
The whole paper ↗Q7(f)(ii)
The whole paper ↗Q3(a)
The whole paper ↗Q3(b)(ii)
The whole paper ↗Q3(c)(i)
The whole paper ↗Q3(c)(ii)
The whole paper ↗Q3(c)(iii)
The whole paper ↗
All 49 questions on Alkanes, as a list
- June 2025, Paper 1, Q5(a) (3 marks): Explain why butane is a saturated hydrocarbon. (3)
- June 2025, Paper 1, Q5(c)(ii) (2 marks): Draw the displayed formula of each isomer. (2)
- June 2025 (R), Paper 1, Q9(d)(ii) (2 marks): This is the displayed formula of one of the isomers. H H H H H H C C C C C H H H H H H Draw the displayed formula of each of the other two isomers. (2)
- June 2025 (R), Paper 2, Q2(c)(i) (1 mark): Determine the molecular formula of this alkane. (1)
- June 2025 (R), Paper 2, Q2(c)(ii) (1 mark): Name this alkane. (1)
- June 2025 (R), Paper 2, Q2(c)(iii) (1 mark): Give the general formula of the homologous series of alkanes. (1)
- November 2024, Paper 1, Q10(a)(ii) (2 marks): Complete the equation for the substitution reaction between ethane and bromine, including an essential condition for the reaction. (2) C2H6 + Br2 → + condition
- June 2024 (R), Paper 1, Q2(d) (1 mark): The equation shows the reaction of methane with bromine. CH4 + Br2 → CH3Br + HBr Give the name of this type of chemical reaction. (1)
- November 2023, Paper 1, Q5(a)(ii) (2 marks): Draw the displayed formulae for the two isomers of C4H10 (2) Isomer 1 Isomer 2
- November 2023, Paper 1, Q5(b)(i) (1 mark): State the condition needed for ethane to react with bromine. (1)
- November 2023, Paper 1, Q5(b)(ii) (1 mark): Complete the equation for this reaction. (1) C2H6 + Br2 → +
- November 2023, Paper 1, Q5(b)(iii) (1 mark): Give the name for this type of reaction. (1)
- November 2023, Paper 1, Q5(c) (2 marks): Explain why ethane is described as a saturated compound. (2)
- January 2023, Paper 1, Q7(f)(i) (2 marks): Write a chemical equation for this reaction. (2)
- January 2023, Paper 1, Q7(f)(ii) (1 mark): What is the name for this type of reaction? (1) A addition B combustion C substitution D thermal decomposition
- January 2023 (R), Paper 1, Q3(a) (4 marks): An alkane has the structural formula CH3CH2CH2CH3 Give the missing information for this alkane. (4) structural formula CH3CH2CH2CH3 name C4H10 empirical formula
- January 2023 (R), Paper 1, Q3(b)(ii) (2 marks): Draw the displayed formula of each isomer of C4H10 (2) Isomer 1 Isomer 2
- January 2023 (R), Paper 1, Q3(c)(i) (1 mark): Give the formula of the other product. (1)
- January 2023 (R), Paper 1, Q3(c)(ii) (1 mark): What is the name of this type of reaction? (1) A addition B decomposition C neutralisation D substitution
- January 2023 (R), Paper 1, Q3(c)(iii) (1 mark): State the condition needed for this reaction to occur. (1)
- June 2022, Paper 1, Q5(a)(iii) (1 mark): This is the displayed formula of one of the isomers. H H H H H H C C C C C H H H H H H Give the name of this isomer. (1)
- June 2022, Paper 1, Q5(a)(iv) (2 marks): Draw the displayed formulae of the other two isomers. (2) Isomer 1 Isomer 2
- June 2022 (R), Paper 2, Q3(a)(i) (1 mark): Which of these is the molecular formula of an alkane? (1) A C2H5 B C4H10 C CH2CH2 D CH3CH2CH3
- June 2022 (R), Paper 2, Q3(b)(i) (1 mark): State the name of this type of reaction. (1)
- June 2022 (R), Paper 2, Q3(b)(ii) (1 mark): Give a chemical equation for this reaction. (1)
- June 2022 (R), Paper 2, Q3(c)(ii) (2 marks): Determine the molecular formula of the alkane and the value of x. (2) molecular formula = x =
- January 2022, Paper 1, Q8(b)(i) (1 mark): Complete the equation for the reaction. (1) CH4 + Br2 →
- January 2022, Paper 1, Q8(b)(ii) (1 mark): Give the name of this type of reaction. (1)
- January 2022 (R), Paper 2, Q2(c)(i) (1 mark): Give the name of this alkane. (1)
- November 2021, Paper 1, Q6(a)(iii) (1 mark): Give the letter of the compound that reacts with bromine in the presence of ultraviolet radiation to form this structure. (1) H H H H H C C C C H H Br H H
- June 2021, Paper 1, Q5(a)(i) (3 marks): Complete the boxes by giving the missing information about the alkane with the molecular formula C2H6 (3) molecular formula C2H6 name empirical formula displaye
- June 2021, Paper 2, Q3(b)(i) (1 mark): Give the general formula for the alkanes. (1)
- January 2021, Paper 1, Q9(e)(i) (2 marks): Complete the equation for this reaction. (2) C3H8 + Br2 → +
- January 2021, Paper 1, Q9(e)(ii) (1 mark): Give the name of this type of reaction. (1)
- January 2021 (R), Paper 1, Q3(a) (1 mark): State the name of this homologous series. (1)
- January 2021 (R), Paper 2, Q7(c) (1 mark): Hydrocarbon X is an alkane. Show that the molecular formula of X is C4H10 (1)
- January 2021 (R), Paper 2, Q7(d) (1 mark): Give the displayed formula of the branched‑chain isomer of hydrocarbon X. (1)
- November 2020, Paper 1, Q5(b)(i) (1 mark): State the condition necessary for this reaction. (1)
- November 2020, Paper 1, Q5(b)(ii) (1 mark): Give the equation for this reaction. (1)
- November 2020 (R), Paper 1, Q3(c)(i) (1 mark): Give a chemical equation for this reaction. (1)
- November 2020 (R), Paper 1, Q3(c)(ii) (1 mark): What is the name of this type of reaction? (1) A addition B decomposition C neutralisation D substitution
- November 2020 (R), Paper 1, Q3(c)(iii) (1 mark): State the condition needed for this reaction to occur. (1)
- January 2020, Paper 2, Q2(c)(i) (1 mark): Give the name of this alkane. (1)
- January 2020, Paper 2, Q2(d)(i) (1 mark): Determine the molecular formula of this alkane. (1)
- January 2020, Paper 2, Q2(d)(ii) (1 mark): Give the general formula for the alkanes. (1)
- June 2019, Paper 1, Q10(a)(ii) (2 marks): Draw the displayed formula for another isomer of C5H12 (2)
- June 2019, Paper 1, Q10(b)(i) (2 marks): Complete the equation for this reaction. (2) C5H12 + Br2 → +
- June 2019, Paper 1, Q10(b)(ii) (1 mark): Give the name of this type of reaction. (1)
- June 2019 (R), Paper 1, Q4(b)(iv) (2 marks): C5H12 has three isomers. The displayed formula for one of these isomers is H H H H H H C C C C C H H H H H H Draw the displayed formulae of the other two isomer
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