Formation of ozone No2 is capable of absorbing visible light(<400 nm) to produce o NO2+h→NO+0 O+O2+M→03+M 2) No net o3 formation NO+O3→NO2+O2 (3) NO2+h→NO+0 O+O2+M→O2+M (2)03is (4) formed 千O2NO>NO2+OH RO2+NO→NO2+RO (5) Net of(1)+(2)+(4):RO2+02→03+ROFormation of ozone NO2 + hv → NO + O (1) O + O2 + M → O3 + M (2) NO + O3 → NO2 + O2 (3) NO2 + hv → NO + O (1) O + O2 + M → O3 + M (2) HO2 . + NO→ NO2 + OH (4) RO2 . + NO → NO2 + RO. (5) No net O3 formation O3 is formed Net of (1)+(2)+(4): RO2. + O2 → O3 + RO. NO2 is capable of absorbing visible light (<400 nm) to produce O