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Saturday, 31 October

JEE Main 2022 · ChemistryMultiple choiceSingle correctMediumConceptual

JEE Main 30 July 2022, Shift 2, Chemistry Q38

Question 38 of 90 in this shift, Chemistry question 8 of 30, Section A.

The correct option for relative covalent nature of compounds is
  1. (1)KF>KI\mathrm{KF} > \mathrm{KI}
  2. (2)SnCl4>SnCl2\mathrm{SnCl_4} > \mathrm{SnCl_2}Official answer
  3. (3)KF>LiF\mathrm{KF} > \mathrm{LiF}
  4. (4)NaCl>HCl\mathrm{NaCl} > \mathrm{HCl}

Official answer

Option 2

NTA final key.

Chapter
Chemical Bonding and Molecular Structure
Topic
s-Block Elements
Idea tested
Covalent Character in Halides

Same idea in other shifts

Asked 3× in all
  1. 31 Jan 2024, Shift 2 · Q63Which of the following is least ionic?MediumSingle correct
  2. 29 Jun 2022, Shift 1 · Q63Arrange the following in the decreasing order of their covalent character : (A) LiCl (B) NaCl (C) KCl (D) CsCl Choose the most appropriate…EasyOther

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.