Group VII properties: past paper questions

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• Question 21May/June 2026, paper 11Multiple choice1 markHas a diagram

  Aqueous bromine is added to aqueous potassium iodide. Which colour is the aqueous bromine and what is the final colour of the reaction mixture?

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• Question 22Oct/Nov 2025, paper 11Multiple choice1 markHas a diagram

  Chlorine gas is bubbled into separate samples of aqueous potassium iodide and aqueous potassium bromide. In which solutions is there a colour change?

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• Question 22May/June 2024, paper 11Multiple choice1 mark

  The equation for a reaction is shown. $$\mathrm{C}{\mathrm{l}}_2+2\mathrm{K}\mathrm{B}\mathrm{r}\to 2\mathrm{K}\mathrm{C}\mathrm{l}+\mathrm{B}{\mathrm{r}}_2$$ Which statement about this reaction is correct?

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• Question 24Oct/Nov 2023, paper 11Multiple choice1 mark

  Which statement about the Group VII halogens is correct?

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• Question 22May/June 2026, paper 12Multiple choice1 mark

  Rubidium is in Group I and fluorine is in Group VII of the Periodic Table. Which statements about these elements are correct?

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• Question 22Oct/Nov 2025, paper 12Multiple choice1 mark

  Elements P, Q, R and S are in either Group I or Group VII of the Periodic Table. P is a liquid at r.t.p. Q is a gas at r.t.p.

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• Question 20May/June 2024, paper 12Multiple choice1 mark

  Chlorine reacts with aqueous sodium bromide to form aqueous sodium chloride and bromine. Which statement about this reaction is correct?

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• Question 24Oct/Nov 2023, paper 12Multiple choice1 markHas a diagram

  Some properties of elements in Group VII and the reasons for these properties are shown. Which row shows a property and the reason for this property?

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• Question 4Oct/Nov 2025, paper 21Structured9 marks

  Fluorine, chlorine, bromine and iodine are elements in Group VII. Bromine has a low boiling point. It is a liquid at room temperature.

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• Question 22May/June 2023, paper 11Multiple choice1 mark

  Sodium, potassium and rubidium are in Group I of the Periodic Table. Chlorine, bromine and iodine are in Group VII. Which statement is correct?

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• Question 4Oct/Nov 2025, paper 22Structured8 marks

  Fluorine, chlorine, bromine and iodine are elements in Group VII. Fluorine has a low boiling point. It is a gas at room temperature.

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• Question 2May/June 2023, paper 22Structured8 marks

  Group VII includes the elements fluorine, chlorine, bromine and iodine. Chlorine is a green gas at room temperature and pressure. State the appearance of iodine at room temperature and pressure.

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• Question 22May/June 2025, paper 11Multiple choice1 mark

  Element X is in Period 2 of the Periodic Table. X reacts with magnesium to form an ionic compound with the formula $\mathrm{M}\mathrm{g}{\mathrm{X}}_2$. What is X?

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• Question 24May/June 2025, paper 11Multiple choice1 mark

  Which statement is correct?

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• Question 24May/June 2025, paper 12Multiple choice1 mark

  Three statements about the halogens are listed. 1 All halogens are non-metallic diatomic molecules. 2 Chlorine displaces both bromine and iodine from aqueous solutions of their salts.

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• Question 1May/June 2025, paper 22Structured5 marks

  Choose from the following salts to answer the questions. aluminium sulfate barium chloride copper(II) nitrate copper(II) sulfate magnesium chloride potassium iodide potassium manganate(VII) silver chloride sodium bromide Each salt can be used once, more than once or not at all.

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