Environmental Chemistry - Result Question 13
####13. The molecule that has minimum/no role in the formation of photochemical smog, is
(a)
(b)
(c)
(d)
(2019 Main, 12 Jan I)
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Answer:
Correct Answer: 13. (d)
Solution:
molecule has minimum role in the formation of photochemical smog. While and has major role. When fossil fuels are burnt, a variety of pollutants are emitted. Two of them are hydrocarbons (unburnt) and NO. When these pollutants build upto high levels, a chain reaction occurs from their interaction with sunlight. The reactions involved in the formation of photochemical smog are as follows: