Q: 24 (IAS/2013)
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.