This question is about potassium and sodium halides.
State what is observed when silver nitrate solution is added to potassium iodide solution.
State one observation when solid sodium chloride reacts with concentrated sulfuric acid. Give an equation for the reaction. State the role of the chloride ions in the reaction.
Give an equation for the redox reaction between solid sodium bromide and concentrated sulfuric acid to produce sulfur dioxide (SO2\text{SO}_2SO2). Explain, using oxidation states, why this is a redox reaction.
State what is observed when aqueous chlorine is added to potassium bromide solution. Give an ionic equation for the reaction.
37 exam-style questions on AQA A Level Chemistry Group 7(17), the halogens, covering Trends in properties and Uses of chlorine and chlorate(I). Each one has a worked solution and a mark scheme showing where the marks go.