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Question: Answered & Verified by Expert
Photochemical smog pollution does not contain:
BiologyEnvironmental IssuesNEETNEET 2006
Options:
  • A PAN (peroxy acyl nitrate)
  • B ozone
  • C nitrogen dioxide
  • D carbon dioxide
Solution:
1593 Upvotes Verified Answer
The correct answer is: carbon dioxide
The major undesirable components of photochemical smog are nitrogen dioxide $\left(\mathrm{NO}_2\right)$, ozone $\left(\mathrm{O}_3\right)$, PAN (peroxyacetylnitrate), and chemical compounds that contain the $-\mathrm{CHO}$ group (aldehydes).

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