JEE Main · ChemistryMedium
Which of the following species is responsible for the formation of photochemical smog?
- A.
- B.
- C.
- D.
Show correct answer & step-by-step solution
Correct answer: B —
Solution
- Photochemical smog occurs in warm, dry, and sunny climates.
- Nitrogen dioxide undergoes photolysis by sunlight: .
- The atomic oxygen then reacts with molecular oxygen to form ozone, a major component of smog.
- Hence the answer is (B).
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