Chemistry · Environmental Chemistry
Which of the following reaction steps correctly represents the initiation and propagation sequence in the formation of photochemical smog?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1Hydrocarbons → PAN → NO → O3
- 2NO2 → O → O3 → PAN✓
- 3O3 → NO → NO2 → Hydrocarbons
- 4PAN → NO2 → O → O3
Correct answer
NO2 → O → O3 → PAN
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