The reactivities of the chlorine dioxide (ClO2), which is a stable free radical towards some water-soluble spin-traps were investigated in aqueous solutions by an electron spin resonance (ESR) spectroscopy.Click to see full answer. Accordingly, is o2 a free radical? Oxygen as a free radical The single oxygen atom shown above has unpaired electrons in its outer orbit. To become stable, two single atoms combine, resulting in the molecule O2. To regain stability, the free single oxygen atom (oxygen free radical) seeks out or steals electrons from other available sources. what are examples of free radicals? A notable example of a free radical is the hydroxyl radical (HO•), a molecule that is one hydrogen atom short of a water molecule and thus has one bond “dangling” from the oxygen. Hereof, is o3 a free radical? Answer and Explanation: Ozone, O3, is not a free radical. It is a molecule with a dipole moment and bent structure.How are free radicals generated?A molecule with one or more unpaired electron in its outer shell is called a free radical (1-5). Free radicals are formed from molecules via the breakage of a chemical bond such that each fragment keeps one electron, by cleavage of a radical to give another radical and, also via redox reactions (1, 2).