Hydroxyl radicals are able to form solute radical cations in acidic aqueous solutions of 1- bromo-n-chloroalkanes (n= 1-6). Depending on the value of n, the bromine centered radical cation stabilizes on coordination with an unoxidized bromine atom from another molecule (intermolecular) or with an unoxidized chlorine atom of the same molecule (intramolecular). With n= 2, 5, and 6, only dimer radical cations (A,,,= 430-450 nm) are formed through ...
