The species formed in the depletion of ozone layer by chlorofluorocarbonds in free radial mechanism is

chlorofluorocarbons, can travel to the stratosphere without being destroyed in the troposphere due to their low reactivity and causes depletion of Ozone layer. the reactions involved are:CFCl3 +electromagnetic radiation → Cl· + ·CFCl2Cl· + O3→ ClO + O2A chlorine atom removes an oxygen atom from an ozone molecule to make a ClO moleculeClO + O3→ Cl·+ 2 O2This ‘ClO’ can also remove an oxygen atom from another ozone molecule; the chlorine is free to repeat this two-step cycle