JEE Main 2020 · ChemistryMultiple choiceSingle correctEasyConceptual

JEE Main 4 September 2020, Shift 2, Chemistry Q33

Question 33 of 75 in this shift, Chemistry question 8 of 25.

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 :

(1)Mg
(2)BeOfficial answer
(3)Ca
(4)Sr

Official answer

Option 2

NTA final key (Sep 2020).

Chapter: The s-Block Elements
Topic: s-Block Elements
Idea tested: Amphoterism of Beryllium Compounds

Same idea in other shifts

Asked 5× in all

13 Apr 2023, Shift 1 · Q67 $\mathrm{Be(OH)_2}$ reacts with $\mathrm{Sr(OH)_2}$ to yield an ionic salt. Choose the incorrect option related to this reaction from the…MediumSingle correct
27 Jul 2022, Shift 1 · Q69Given below are two statements. Statement I: The chlorides of Be and Al have Cl-bridged structure. Both are soluble in organic solvents…MediumTwo statements
24 Feb 2021, Shift 1 · Q59Number of amphoteric compounds among the following is __________. (A) BeO (B) BaO (C) $\mathrm{Be(OH)_2}$ (D) $\mathrm{Sr(OH)_2}$ MediumNumerical value
25 Jul 2021, Shift 1 · Q36Given below are two statements : Statement I : None of the alkaline earth metal hydroxides dissolve in alkali. Statement II : Solubility…MediumTwo statements

Question text from the official JEE Main paper published by NTA; answer from the final answer key. Chapter, topic and idea tags, difficulty and skill are Lumi’s. Lumi analyses 108 of the 174 JEE Main shifts held from 2017 to 2026.