Hydrogen peroxide decomposes to form water and oxygen. Manganese dioxide is used in the reaction to increase the rate of the reaction and remains unchanged by the end of the reaction. What are the reactant(s), catalyst, and product(s), respectively, for the decomposition reaction of hydrogen peroxide?
a. hydrogen peroxide and oxygen; manganese dioxide; water
b. hydrogen peroxide; manganese dioxide; water; oxygen.
c. water & oxygen; hydrogen peroxide; manganese dioxide.
d. water & oxygen; manganese dioxide; hydrogen peroxide.