JEE Main 26 June 2022, Shift 1, Chemistry Q72

Question 72 of 90 in this shift, Chemistry question 12 of 30, Section A.

Polar stratospheric clouds facilitate the formation of :

(1) $\mathrm{ClONO_2}$
(2)HOClOfficial answer
(3)ClO
(4) $\mathrm{CH_4}$

Official answer

Option 2

NTA final key.

Chapter: Environmental Chemistry
Topic: Environmental Chemistry
Idea tested: Role of Polar Stratospheric Clouds (PSCs)

Same idea in other shifts

Asked 2× in all

27 Jun 2022, Shift 2 · Q71On the surface of polar stratospheric clouds, hydrolysis of chlorine nitrate gives A and B while its reaction with HCl produces B and C.…MediumSingle correct

Question text from the official JEE Main paper published by NTA; answer from the final answer key. Chapter, topic and idea tags, difficulty and skill are Lumi’s. Lumi analyses 108 of the 174 JEE Main shifts held from 2017 to 2026.