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Question:

The correct set of species responsible for the photochemical smog is:

N2,O2,Oand hydrocarbons

N2,NO2and hydrocarbons

CO2,NO2,SO2and hydrocarbons

NO,NO2,O3and hydrocarbons

Solution:

Correct option is D. NO,NO2,O3and hydrocarbons
The common component of photochemical smog are ozone, nitric oxide, acrolein, formaldehyde and peroxyacetyl nitrate (PAN)