JEE Main 2021ChemistryS Block ElementsPhysiochemical Trends In Alkaline Earth MetalsmediumMCQ

JEE Main 2021S Block Elements Question with Solution

From: JEE Main 2021 (Online) 16th March Morning Shift

Question

Given below are two statements :

Statement I : Both CaCl2 . 6H2O and MgCl2 . 8H2O undergo dehydration on heating.

Statement II : BeO 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: A
Correct answer
ABoth statement I and statement II are false

Step-by-step explanation

CaCl2.6H2O CaCl2 + 6H2O

MgCl2.6H2O MgCl(OH) + H2O

Among alkaline earth metal BeO is amphoteric & rest are basic oxide

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About this question

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.