Photochemical Smog Formation Reaction
Which of the following chemical equations represents a key reaction in the formation of photochemical smog?
A
CH4 + Cl → CH3 + HCl
B
NO2 + UV light → NO + O, followed by O + O2 → O3
C
SO2 + H2O → H2SO4
D
CO + O2 → CO2 + heat
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