PAN stands for:
Correct answer: A. Peroxy acetyl nitrate
- A. Peroxy acetyl nitrate
- B. Peroxy acyl nitrite
- C. Pyridine aceto-nitrite
- D. Peroxy aceto-nitrile
Explanation
PAN is peroxyacetyl nitrate, a secondary pollutant formed during photochemical smog when nitrogen oxides and hydrocarbons react in sunlight. The alternatives use incorrect chemical names.
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