This question is about halogens and halide ions.
State what is observed when silver nitrate solution is added to sodium bromide 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 iodide 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.
