Photochemical smog is a resultant of the reaction among

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Q: 24 (IAS/2013)
Photochemical smog is a resultant of the reaction among

question_subject: 

Ecology

question_exam: 

IAS

stats: 

0,260,130,260,61,41,28

keywords: 

{'photochemical smog': [0, 0, 1, 5], 'sunlight': [0, 0, 1, 0], 'no2': [0, 0, 1, 3], 'reaction': [1, 0, 5, 18], 'o2': [0, 0, 3, 1], 'co2': [0, 0, 4, 2], 'o3': [0, 0, 0, 1], 'peroxyacetyl': [0, 0, 0, 1]}

Photochemical smog is a resultant of the reaction among NO2, O3 (ozone), and peroxyacetyl nitrate (PAN) in the presence of sunlight.