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Saturday, 31 October

JEE Main 2022 · ChemistryMultiple choiceOtherMediumApplication

JEE Main 26 July 2022, Shift 1, Chemistry Q66

Question 66 of 90 in this shift, Chemistry question 6 of 30, Section A.

Reaction of BeCl2\mathrm{BeCl_2} with LiAlH4\mathrm{LiAlH_4} gives : (A) AlCl3\mathrm{AlCl_3} (B) BeH2\mathrm{BeH_2} (C) LiH (D) LiCl (E) BeAlH4\mathrm{BeAlH_4} Choose the correct answer from options given below :
  1. (1)(A), (D) and (E)
  2. (2)(A), (B) and (D)Official answer
  3. (3)(D) and (E)
  4. (4)(B), (C) and (D)

Official answer

Option 2

NTA final key.

Chapter
The s-Block Elements
Topic
s-Block Elements
Idea tested
Nature of s-Block Hydrides

Same idea in other shifts

Asked 2× in all
  1. 27 Jun 2022, Shift 1 · Q68BeCl2\mathrm{BeCl_2} reacts with LiAlH4\mathrm{LiAlH_4} to give :MediumSingle 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.