JEE Main 2019 — s Block Elements Question with Solution
JEE Main 2019 (12 Jan Shift 1)
Question
A metal on combustion in excess air forms . upon hydrolysis with water yields and along with another product. The metal is:
Choose an option
Show full solutionCorrect option: D
Correct answer
D
Step-by-step explanation
and form super oxides on reaction with excess air
(excess)
(excess)
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This is a previous-year question from JEE Main 2019, 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.