Photochemical smog occurs in warm, dry and sunny climate. One of the following is not amongst the components of photochemical smog, identify it.

Question

Photochemical smog occurs in warm, dry and sunny climate. One of the following is not amongst the components of photochemical smog, identify it. (A) NO2 (B) O3 (C) SO2 (D) Unsaturated hydrocarbon

Tardigrade Admin · Accepted Answer

The smog which is formed in presence of sunlight is called photochemical smog. This occurs in the months of summer when

N O_{2}

and hydrocarbons are present in large amounts in atmosphere.

S O_{2}

is not responsible for photochemical smog because concentration of

O_{3}

. PAN, aldehyde and ketones builds up in the atmosphere.

Q. Photochemical smog occurs in warm, dry and sunny climate. One of the following is not amongst the components of photochemical smog, identify it.

NO2​

O3​

SO2​

Unsaturated hydrocarbon

$N O_{2}$

$O_{3}$

$S O_{2}$