JEE Main 2021 — s Block Elements Question with Solution
JEE Main 2021 (16 Mar Shift 1)
Question
Given below are two statements:
Statement I : Both and undergo dehydration on heating.
Statement II : is amphoteric, whereas the oxides of other elements in the same group are acidic.
In the light of the above statements, choose the correct answer from the options given below:
Choose an option
Show full solutionCorrect option: B
Step-by-step explanation
(a)
(b)
The dehydration of hydrated chloride of calcium can be achieved. The corresponding hydrated chloride of magnesium on heating suffer hydrolysis.
(c) Amphoteric

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This is a previous-year question from JEE Main 2021, 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.