IO^-, or hypoiodite ion, refers to a negatively charged molecule containing one iodine atom and one oxygen atom. It is formed as a product in Step 1 and acts as a reactant in Step 2 of the given mechanism.
Related terms
H2O2: H2O2, or hydrogen peroxide, is involved in both steps of this mechanism. It reacts with I^- to form IO^- in Step 1 and further reacts with it in Step 2.
I^-: I^-, or iodide ion, is a key term that reacts with H2O2 to form IO^- in Step 1. It also serves as a reactant itself.
Rate Law: The rate law describes the relationship between the concentrations of reactants and the rate of a chemical reaction.