Naming organic compounds: past paper questions

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• Question 35May/June 2026, paper 11Multiple choice1 markHas a diagram

  The names of organic compounds with seven carbon atoms in a chain start with ‘hept’. What is the name of this compound?

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• Question 35Oct/Nov 2025, paper 22Multiple choice1 mark

  The structure of an ester is shown. What is the name of this ester?

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• Question 36Oct/Nov 2024, paper 21Multiple choice1 markHas a diagram

  The structure of an ester is shown. Which row identifies the name of the ester and the two compounds from which it is made?

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• Question 34Oct/Nov 2023, paper 12Multiple choice1 markHas a diagram

  Which diagram shows the displayed formula for the named organic compound?

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• Question 32May/June 2026, paper 21Multiple choice1 mark

  Which of the named compounds have the correct structural formula?

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• Question 5Oct/Nov 2025, paper 42Structured12 marks

  This question is about the homologous series of alkanes.

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• Question 32Oct/Nov 2024, paper 23Multiple choice1 mark

  The structure of an organic compound is shown. What is the name of the compound?

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• Question 32Oct/Nov 2023, paper 21Multiple choice1 markHas a diagram

  What is the structure of butanoic acid?

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• Question 33May/June 2026, paper 22Multiple choice1 mark

  The names and structures of four organic compounds are shown.

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• Question 32May/June 2025, paper 22Multiple choice1 mark

  What is the structural formula of butan-2-ol?

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• Question 34May/June 2024, paper 22Multiple choice1 mark

  The structures of two compounds used to make an ester are shown. What is the name of the ester?

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• Question 6Oct/Nov 2023, paper 42Structured11 marksHas a diagram

  A homologous series is a family of organic compounds whose members have similar chemical properties. Give two characteristics that are the same for all members of a homologous series.

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• Question 33May/June 2026, paper 23Multiple choice1 markHas a diagram

  Which row gives the correct structural and displayed formula of the named organic molecule?

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• Question 4May/June 2024, paper 42Structured14 marks

  A carboxylic acid reacts with an alcohol to produce an ester and water. Under certain conditions, this reaction can be reversed so an ester reacts with water to produce a carboxylic acid $\mathbf{X}$ and an alcohol $\mathbf{Y}$. The reaction reaches an equilibrium.

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• Question 6May/June 2026, paper 42Structured14 marks

  Alcohols are a homologous series of organic compounds. Table 6.1 gives some information about alcohols A, B, C and D. State why the homologous series of alcohols have similar chemical properties.

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• Question 33May/June 2023, paper 21Multiple choice1 mark

  The structural formula of compound Q is given. $${\mathrm{C}\mathrm{H}}_3{\mathrm{C}\mathrm{H}}_2{\mathrm{C}\mathrm{H}}_2{\mathrm{C}\mathrm{O}\mathrm{O}\mathrm{C}\mathrm{H}}_2{\mathrm{C}\mathrm{H}}_2{\mathrm{C}\mathrm{H}}_3$$ What is compound Q?

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• Question 32May/June 2023, paper 23Multiple choice1 markHas a diagram

  What is the structure of propanoic acid?

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