I^-

Definition

I^-, or iodide ion, refers to an atom of iodine that has gained one electron and carries a negative charge. It acts as a reactant in Step 1 of the given mechanism.

Related terms

H2O2:

H2O2, or hydrogen peroxide, is another key term involved in this mechanism. It reacts with I^- in Step 1 to form IO^-.

IO^-:

IO^-, or hypoiodite ion, is formed after the reaction between H20^2 and I^- in Step 1. It further reacts in Step 2.

Rate Law:

The rate law describes the relationship between the concentrations of reactants and the rate of a chemical reaction.