This question is about sodium halides.
State what is observed when silver nitrate solution is added to sodium chloride solution.
State one observation when solid sodium fluoride reacts with concentrated sulfuric acid. Give an equation for the reaction. State the role of the fluoride ions in the reaction.
Give an equation for the redox reaction between solid sodium iodide and concentrated sulfuric acid to produce hydrogen sulfide (H2S\text{H}_2\text{S}H2S). Explain, using oxidation states, why this is a redox reaction.
State what is observed when aqueous bromine is added to sodium iodide solution. Give an ionic equation for the reaction.
