A student is supplied with aqueous solutions of these substances:
Describe two experiments where a displacement reaction occurs that the student could perform, using some of these solutions, to demonstrate the trend in reactivity of chlorine, bromine, and iodine.
Your answer should include:
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.