Photochemical smog consists of excessive amount of X , in addition to aldehydes, ketones, peroxy acetyl nitrile ( PAN ) . X is:

Question

Quantrex Academy · Accepted Answer

Correct answer: C. O _ 3

Photochemical smog is formed on the chemical reaction of sunlight, nitrogen oxides and volatile organic compounds in the atmosphere.

{NO}_{2}\left(g\right)\overset{hv}{\to}NO\left(g\right) + O\left(g\right)

Oxygen atom (nascent) is very reactive and combines with

{O}_{2}

in air to produce ozone.

O\left(g\right) + {O}_{2}\left(g\right) \to {O}_{3}\left(g\right)

Photochemical smog consists of excessive amount of X , in addition...