Q41 / 200 · NEET 2006 · Botany
Photochemical smog pollution does not contain:
- APAN (peroxy acyl nitrate)
- Bozone
- Cnitrogen dioxide
- Correct answerDcarbon dioxide
Solution
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).
Hence, the correct answer is option: 'D'.