JEE Main 26 Feb 2021 Shift 1 Solved Paper

Ozone is a strong oxidising agent like NO2.
In troposphere both O3 and NO2 react with the unburnt hydrocarbons to produce the chemical components of photochemical smog, like formaldehyde (HCHO), acrolein (CH2=CH−CHO) and PAN or peroxyacetyl nitrate (CH3−

C ||

O

−O−O−NO2)
Hence, in troposphere, the presence of ozone generates photochemical smog.