JEE Main 2022ChemistryS Block ElementsPhysiochemical Trends In Alkali MetalsmediumMCQ

JEE Main 2022S Block Elements Question with Solution

From: JEE Main 2022 (Online) 24th June Morning Shift

Question

Which of the following statements are correct?

(A) Both LiCl and MgCl2 are soluble in ethanol.

(B) The oxides Li2O and MgO combine with excess of oxygen to give superoxide.

(C) LiF is less soluble in water than other alkali metal fluorides.

(D) Li2O is more soluble in water than other alkali metal oxides.

Choose the most appropriate answer from the options given below :

Choose an option

Show full solutionCorrect option: A
Correct answer
A(A) and (C) only

Step-by-step explanation

(A) Both LiCl and MgCl2 are soluble in ethanol

(B) Li and Mg do not form superoxide

(C) LiF has high lattice energy

(D) Li2O is least soluble in water than another alkali metal oxides

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About this question

This is a previous-year question from JEE Main 2022, 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.