Which of the following is not a common component of photochemical smog?

Answers (1)

Photochemical smog / oxidizing smog -

Occurs in warm, dry and sunny climate

- wherein

The mixture of formaldehyde, acrolein, nitric oxide, ozone, and proxy-acyl nitrates (PAN)

Photochemical smog formation -

Emission of nitrogen oxides and hydrocarbons from automobiles exhausts and solar energy by the chain of reactions. NOand O3 react with unburnt hydrocarbons to produce formaldehyde, acrolein and proxy-acyl nitrates (PAN)

- wherein

NO_{2}(g)\rightarrow NO\left ( g \right )+O\left ( g \right )

O\left ( g \right )+O_{2}\rightleftharpoons O_{3}(g)

NO(g)+O_{3}\left ( g \right )\rightarrow NO_{2}\left ( g \right )+O_{2}\left ( g \right )

3CH_{4}+2O_{3}\rightarrow 3CH_{2}= O\,(formaldehyde)+3H_{2}O

CH_{2}= CHCH= O\, (Acrolein)

CH_{3}COONO_{2}

            \parallel

            O  (PAN)

 

As we know Fxon's (CFC'S) are not a common component of the photochemical smog.

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