Abstract: Rate constants and products are reported for the dediazoniation reactions of nonmicellar (p-diazoniobenzy1) trimethylammonium dibromide and micellar (p- diazoniobenzy1) dimethyl-n-hexadecylammonium dibromide in aqueous solutions at pH 4, 23 OC, in the presence of various concentrations of bromide ion. Rate constants for the nonmicellar (k-6 X 10" sI) and micellar (k-sI) dediazoniations were independent of ...