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Question

(A) Photochemical smog is formed by the action of sunlight on nitrogen oxides ($NO$,$NO_2$) and hydrocarbons released from automobiles and factories.

Vedclass · Accepted Answer

$NO$,$NO_2$,$O_3$ and hydrocarbons

Vedclass · Answer

(A) Photochemical smog is formed by the action of sunlight on nitrogen oxides ($NO$,$NO_2$) and hydrocarbons released from automobiles and factories. These pollutants react in the presence of sunlight to produce secondary pollutants like ozone $(O_3)$,formaldehyde,acrolein,and peroxyacetyl nitrate $(PAN)$. Therefore,the primary species responsible for its formation are $NO$,$NO_2$,$O_3$,and hydrocarbons.

The correct set of species responsible for the photochemical smog is

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