MEDIUMMCQ SINGLENEET ChemistryInorganic ChemistryEnvironmental ChemistryPrevious Year Questions
Which one of the following statements regarding photochemical smog is not correct? (CBSE, AIPMT 2012)
A.Carbon monoxide does not play any role in
B.Photochemical smog is an oxidising agent by
C.Photochemical smog is formed through
D.Photochemical smog does not cause irritation in✓ Correct
Explanation
Photochemical smog is formed in warm and sunny climate during day time by the action of sunlight on primary pollutants. It contains nitrogen oxides, ozone, PAN, etc. which are oxidising in nature. So, photochemical smog is an oxidising agent in character. It causes irritation in eyes and throat.