1. What reactions do iodide and bromide undergo when excess chlorine water is added during the test for iodide and bromide ions?
2. In terms of ionic equilibria and solubility product theory, explain the dissolution of Ba3(PO4)2 in HC2H3O2
3. Write a balanced net ionic equation to represent the oxidation-reduction reaction that occurs when concentrated nitric acid is added to a solution of sodium iodide.