An aqueous solution of sodium iodide is mixed with bromine water until a distinct change in colour is observed.
Write a chemical equation for this reaction.
Explain the reaction that occurs. In your answer, refer to: the final colour of the solution, the substance that causes this final colour, the type of reaction, and the relative reactivities of the two Group 7 elements involved.
33 exam-style questions on Edexcel IGCSE Chemistry Group 7 (halogens) – chlorine, bromine and iodine. Each one has a worked solution and a mark scheme showing where the marks go.