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

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

  1. $\mathrm{N}_{2}, \mathrm{NO}_{2}$ and hydrocarbons

  2. $\mathrm{CO}_{2}, \mathrm{NO}_{2}, \mathrm{SO}_{2}$ and hydrocarbons

  3. $\mathrm{NO}, \mathrm{NO}_{2}, \mathrm{O}_{3}$ and hydrocarbons

  4.  $\mathrm{N}_{2}, \mathrm{O}_{2}, \mathrm{O}_{3}$ and hydrocarbons


Correct Option:

Solution:

Photochemical smog contains oxides of nitrogen, ozone and hydrocarbons. It is also called oxidation smog.

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