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Saturday, 31 October

JEE Main 2023 · ChemistryMultiple choiceSingle correctMediumConceptual

JEE Main 13 April 2023, Shift 1, Chemistry Q67

Question 67 of 90 in this shift, Chemistry question 7 of 30, Section A.

Be(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 following :
  1. (1)Both Sr and Be elements are present in the ionic salt.
  2. (2)The reaction is an example of acid - base neutralization reaction.
  3. (3)The element Be is present in the cationic part of the ionic salt.Official answer
  4. (4)Be is tetrahedrally coordinated in the ionic salt.

Official answer

Option 3

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. 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
  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.