Written by the Fiveable Content Team โข Last updated September 2025
Verified for the 2026 exam
Verified for the 2026 examโขWritten by the Fiveable Content Team โข Last updated September 2025
Definition
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.
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.