Hydrogen peroxide will oxidize iodide to iodine: (sulfuric acid is used to provide a source of hydrogen ions to neutralize the KOH that is formed) H2O2 + 2 KI ---> 2KOH + I2 2KOH + H2SO4 ---> K2SO4 + 2 H2O An alternative reaction could also be written: 2 KI + H2SO4 ---> 2HI + … Read more