JEE Main 2022 — S Block Elements Question with Solution
From: JEE Main 2022 (Online) 30th June Morning Shift
Question
Correct statement about alkali metal oxides is :
Choose an option
Show full solutionCorrect option: B
Correct answer
Bsuperoxides are paramagnetic.
Step-by-step explanation
The peroxide and oxides of alkali metals are colourless when pure.
Superoxides are paramagnetic while peroxides are diamagnetic. Electronic configuration of (peroxide)
Electronic configuration of
superoxide is paramagnetic due 1 unpaired electron.
Superoxides are paramagnetic while peroxides are diamagnetic. Electronic configuration of (peroxide)
Electronic configuration of
superoxide is paramagnetic due 1 unpaired electron.
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This is a previous-year question from JEE Main 2022, covering the S Block Elements chapter of Chemistry. PrepSharp catalogues every PYQ from JEE Main with a verified answer key and step-by-step solution prepared by IIT alumni — so you can search by chapter, topic or year and revise efficiently.