Reports on the kinetics of the autoxidation of aqueous nitric oxide ar
e discussed. It is concluded that the correct rate law is -d[NO]/dt =
4k(aq)[NO]2[O2] with k(aq) = 2 x 10(6) M-2 . s-1 at 25-degrees-C and t
hat a recent report of a rate law zero order in NO is incorrect.