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Saturday, 31 October

JEE Main 2022 · ChemistryMultiple choiceTwo statementsMediumConceptual

JEE Main 27 July 2022, Shift 1, Chemistry Q69

Question 69 of 90 in this shift, Chemistry question 9 of 30, Section A.

Given below are two statements. Statement I: The chlorides of Be and Al have Cl-bridged structure. Both are soluble in organic solvents and act as Lewis bases. Statement II: Hydroxides of Be and Al dissolve in excess alkali to give beryllate and aluminate ions. In the light of the above statements, choose the correct answer from the options given below.
  1. (1)Both Statement I and Statement II are true.
  2. (2)Both Statement I and Statement II are false.
  3. (3)Statement I is true but Statement II is false.
  4. (4)Statement I is false but Statement II is true.Official answer

Official answer

Option 4

NTA final key.

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

Same idea in other shifts

Asked 5× in all
  1. 13 Apr 2023, Shift 1 · Q67Be(OH)2\mathrm{Be(OH)_2} reacts with Sr(OH)2\mathrm{Sr(OH)_2} to yield an ionic salt. Choose the incorrect option related to this reaction from the…MediumSingle correct
  2. 24 Feb 2021, Shift 1 · Q59Number of amphoteric compounds among the following is __________. (A) BeO (B) BaO (C) Be(OH)2\mathrm{Be(OH)_2} (D) Sr(OH)2\mathrm{Sr(OH)_2}MediumNumerical value
  3. 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
  4. 4 Sep 2020, Shift 2 · Q33An alkaline earth metal 'M' readily forms water soluble sulphate and water insoluble hydroxide. Its oxide MO is very stable to heat and…EasySingle correct

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.