Which of the following play a role during the formation of photochemical smog? A. NO₂ (Nitrogen…
Photochemical smog forms when nitrogen dioxide and volatile organic compounds react in the presence of strong sunlight to produce ozone, PAN and other secondary oxidants.…
Choose your answer
Which of the following play a role during the formation of photochemical smog?
A. NO₂ (Nitrogen dioxide)
B. Black Carbon
C. Sun light
D. VOCs (Volatile Organic Compounds)
E. CO (Carbon monoxide)
Answer and explanation
Correct answer B
Photochemical smog forms when nitrogen dioxide and volatile organic compounds react in the presence of strong sunlight to produce ozone, PAN and other secondary oxidants. Black carbon and carbon monoxide are pollutants but are not the reactants that drive this photochemical cycle. Hence A, C and D only.
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