JEE Main 2022 · 28 Jun · Shift 2 · Chemistry Q72

ChemistrySingle correct+4 / -1Question 72 of 90

Correct statement about photo-chemical smog is :

It occurs in humid climate.

It is a mixture of smoke, fog and

\mathrm{SO_2}

It is reducing smog.

It results from reaction of unsaturated hydrocarbons.

Answer and worked solution

Official answer: D

Photochemical smog forms in warm, dry, sunny conditions from NOₓ and unsaturated hydrocarbons; it is oxidising.

(D)

Topics:Atmospheric pollution

JEE Main 2022 · 28 Jun · Shift 2, Chemistry question 72