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Saturday, 31 October

JEE Main 2021 · ChemistryMultiple choiceSingle correctMediumRecall

JEE Main 31 August 2021, Shift 2, Chemistry Q33

Question 33 of 90 in this shift, Chemistry question 3 of 30, Section A.

Which one of the following correctly represents the order of stability of oxides, X2O\mathrm{X_2O}; (X=halogen) ?
  1. (1)I > Cl > BrOfficial answer
  2. (2)Cl > I > Br
  3. (3)Br > Cl > I
  4. (4)Br > I > Cl

Official answer

Option 1

NTA final key.

Chapter
The p-Block Elements
Topic
No close match in our taxonomy
Idea tested
No close match in our taxonomy

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.