Question:

Which of the following is present in the photochemical smog?

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Photochemical smog is formed through the interaction of sunlight with pollutants emitted by vehicles and industrial processes. PAN is a characteristic component of this type of smog.
Updated On: Mar 15, 2025
  • Acetyl nitrate
  • Chlorofluorocarbons
  • Methoxy acetyl nitrate
  • Peroxy acetyl nitrate
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The Correct Option is D

Solution and Explanation

Photochemical smog is a type of air pollution that occurs in urban areas and is formed through a series of complex chemical reactions involving sunlight, nitrogen oxides, and volatile organic compounds (VOCs).

Key components of photochemical smog include:

Ozone (O3)
Nitrogen oxides (NOx)
Volatile organic compounds (VOCs)
Peroxyacetyl nitrate (PAN)
Aldehydes

Among the given options, Peroxyacetyl nitrate (PAN) is a well-known component of photochemical smog.

Peroxyacetyl nitrate (PAN) is a secondary pollutant formed from the reaction of hydrocarbons, nitrogen oxides, and sunlight. It is a potent eye irritant and respiratory toxin.

Therefore, the correct answer is Peroxyacetyl nitrate.

Final Answer:
Peroxyacetyl nitrate.

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