C-35SummativeC: Nitrogen and Sulphur

Explain nitrogen oxides in smog

Explain how NO and NO2 help form photochemical smog by reacting with unburned hydrocarbons to form PAN.

As the syllabus states it

Explain the role of NO and NO2 in the formation of photochemical smog, specifically in the reaction with unburned hydrocarbons to form Peroxyacetyl nitrate (PAN).

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