How understanding of the periodicity and groupings is useful: Explain the interaction of the group or chemical element you have highlighted with a moral, ethical, social, economic, political, cultural or environmental factor as a result of its use.

Choose one factor ~ and one group or element~

When hydrogen peroxide (h2o2) is added to potassium iodide (ki) solution, the hydrogen peroxide decomposes into water (h2o) and oxygen (o2). the chemical equation for the decomposition reaction is: 2h2o2—> 2h2o + o2. what is the role of the potassium iodide in this reaction? a. reactant. b. product. c. precipitate. d. catalyst.