Which of the following is a secondary pollutant?
(a) CO
(b) CO₂
(c) Peroxy acetyl nitrate (PAN)
(d) Aerosol
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The secondary pollutant is Peroxy acetyl nitrate (PAN).
Option (c).
Explanation:
- Smog can be created by the interaction between the hydrocarbons and oxidants in the presence of sunlight which leads to the production of dangerous peroxyacetyl nitrate (PAN).
- The smog place a major role in the chief constituent of liberating the peroxy-acetyl nitrate which acts as a secondary pollutant.
- These pollutant formed by the hydrocarbons radicals reacts with the oxygen.
- It produces a brown-coloured haze which is result in the formation of the ground-level ozone.
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