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Saturday, 31 October

JEE Main 2022 · ChemistryMultiple choiceSingle correctMediumRecall

JEE Main 27 June 2022, Shift 2, Chemistry Q71

Question 71 of 90 in this shift, Chemistry question 11 of 30, Section A.

On the surface of polar stratospheric clouds, hydrolysis of chlorine nitrate gives A and B while its reaction with HCl produces B and C. A, B and C are, respectively
  1. (1)HOCl,HNO3,Cl2\mathrm{HOCl, HNO_3, Cl_2}Official answer
  2. (2)Cl2,HNO3,HOCl\mathrm{Cl_2, HNO_3, HOCl}
  3. (3)HClO2,HNO2,HOCl\mathrm{HClO_2, HNO_2, HOCl}
  4. (4)HOCl,HNO2,Cl2O\mathrm{HOCl, HNO_2, Cl_2O}

Official answer

Option 1

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
  1. 26 Jun 2022, Shift 1 · Q72Polar stratospheric clouds facilitate the formation of :EasySingle 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.