JEE Main · 2023 · 06 Apr 2023 · Shift 1 · Environmental Chemistry

The possibility of photochemical smog formation is more at

(A)The places with healthy vegetation
(B)Himalayan villages in winter
(C)Marshy lands
(D)Industrial areas✓ Correct

Answer: (D)

Solution

Photochemical smog forms when sunlight acts on nitrogen oxides and unburnt hydrocarbons released by vehicles and factories. Such precursors are most abundant where traffic and combustion are heavy, so the possibility of its formation is greatest in industrial areas.

JEE Main · 2023 · 06 Apr 2023 · Shift 1 · Single correct option

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