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Saturday, 31 October

JEE Main 2022 · ChemistryMultiple choiceSingle correctEasyRecall

JEE Main 30 June 2022, Shift 1, Chemistry Q69

Question 69 of 90 in this shift, Chemistry question 9 of 30, Section A.

Correct statement about alkali metal oxides is
  1. (1)peroxides are colored.
  2. (2)superoxides are paramagnetic.Official answer
  3. (3)oxides are paramagnetic.
  4. (4)peroxides are both colored and paramagnetic.

Official answer

Option 2

NTA final key.

Chapter
The s-Block Elements
Topic
s-Block Elements
Idea tested
Formation of Oxides, Peroxides, and Superoxides

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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.