JEE Main 2020 — S Block Elements Question with Solution
From: JEE Main 2020 (Online) 4th September Evening Slot
Question
An alkaline earth metal ‘M’ readily forms water
soluble sulphate and water insoluble hydroxide.
Its oxide MO is very stable to heat and does not
have rock-salt structure. M is :
Choose an option
Show full solutionCorrect option: D
Correct answer
DBe
Step-by-step explanation
BeSO4
is water soluble.
Be(OH)2 is water insoluble.
BeO is stable to heat.
Be(OH)2 is water insoluble.
BeO is stable to heat.
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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.