Question: The correct set of species responsible for the photochemical smog is :
$\mathrm{N}_{2}, \mathrm{NO}_{2}$ and hydrocarbons
$\mathrm{CO}_{2}, \mathrm{NO}_{2}, \mathrm{SO}_{2}$ and hydrocarbons
$\mathrm{NO}, \mathrm{NO}_{2}, \mathrm{O}_{3}$ and hydrocarbons
$\mathrm{N}_{2}, \mathrm{O}_{2}, \mathrm{O}_{3}$ and hydrocarbons
Correct Option:
Solution:
Photochemical smog contains oxides of nitrogen, ozone and hydrocarbons. It is also called oxidation smog.