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Saturday, 31 October

JEE Main 2021 · ChemistryMultiple choiceSingle correctMediumConceptual

JEE Main 24 February 2021, Shift 2, Chemistry Q34

Question 34 of 90 in this shift, Chemistry question 4 of 30, Section A.

The correct set from the following in which both pairs are in correct order of melting point is :
  1. (1)LiCl >> LiF ; MgO >> NaCl
  2. (2)LiF >> LiCl ; MgO >> NaClOfficial answer
  3. (3)LiCl >> LiF ; NaCl >> MgO
  4. (4)LiF >> LiCl ; NaCl >> MgO

Official answer

Option 2

NTA final key.

Topic
No close match in our taxonomy
Idea tested
No close match in our taxonomy

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.