Answer;
N₂(g) + 2O₂(g) → 2NO₂(g).
Explanation;
- Photo-chemical smog is a type of air pollution that results from the reaction of solar radiation with airborne pollutant mixtures of nitrogen oxides (NOx) and volatile organic compounds (hydrocarbons).
- Formation of photochemical smog involves a couple of chemical reactions which includes;
N2 + O2 → 2NO
2NO + O2 → 2NO2
NO2 → NO +O
O + O2 → O3
O3 + NO ⇆ NO2 + O2
Combining all the reactions we obtain an overall reaction;
N₂(g) + 2O₂(g) → 2NO₂(g).
