Question:medium

Observe the following:

PANAcrolein\(\mathrm{CF_2Cl_2}\)\(\mathrm{CH_2O}\)Vinyl chloride
ABCDE

Identify the pollutants which are formed when unburnt hydrocarbons are released into atmospheric air.

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Photochemical smog mainly contains \[ \boxed{\text{PAN, aldehydes (e.g., formaldehyde), ozone and acrolein}.} \] CFCs and vinyl chloride are not formed from unburnt hydrocarbons.
Updated On: Jul 21, 2026
  • A, B, C, D, E
  • A, B, D only
  • A, B, E only
  • B, C, D only
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The Correct Option is B

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