JEE Main 2020 — s Block Elements Question with Solution
JEE Main 2020 (04 Sep Shift 1)
Question
On combustion of and in excess of air, the major oxides formed, respectively, are:
Choose an option
Show full solutionCorrect option: B
Correct answer
B and
Step-by-step explanation
On heating in excess air form oxide sodium form peroxide while , , form superoxide.
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This is a previous-year question from JEE Main 2020, 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.