Photochemical smog is formed by .....

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Question

(A) Photochemical smog is a type of air pollution that occurs in warm,dry,and sunny climates. It is formed by the action of sunlight on nitrogen oxide

Vedclass · Accepted Answer

Action of sunlight on nitrogen oxides and hydrocarbons emitted from automobiles and industrial plants

Vedclass · Answer

(A) Photochemical smog is a type of air pollution that occurs in warm,dry,and sunny climates. It is formed by the action of sunlight on nitrogen oxides $(NO_x)$ and hydrocarbons (volatile organic compounds) emitted from automobiles and industrial plants. The chemical reactions involve the formation of secondary pollutants like ozone $(O_3)$,formaldehyde,and peroxyacetyl nitrate $(PAN)$.

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