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Saturday, 31 October

JEE Main 2022 · ChemistryMultiple choiceMatch the listEasyRecall

JEE Main 27 June 2022, Shift 1, Chemistry Q62

Question 62 of 90 in this shift, Chemistry question 2 of 30, Section A.

Based upon VSEPR theory, match the shape (geometry) of the molecules in List-I with the molecules in List - II and select the most appropriate option. List - I (Shape) (A) T-shaped (B) Trigonal planar (C) Square planar (D) See-saw List - II (Molecules) (I) XeF4\mathrm{XeF_4} (II) SF4\mathrm{SF_4} (III) ClF3\mathrm{ClF_3} (IV) BF3\mathrm{BF_3}
  1. (1)(A) - (I), (B) - (II), (C) - (III), (D) - (IV)
  2. (2)(A) - (III), (B) - (IV), (C) - (I), (D) - (II)Official answer
  3. (3)(A) - (III), (B) - (IV), (C) - (II), (D) - (I)
  4. (4)(A) - (IV), (B) - (III), (C) - (I), (D) - (II)

Official answer

Option 2

NTA final key.

Same idea in other shifts

Asked 3× in all
  1. 29 Jun 2022, Shift 2 · Q70Number of lone pair(s) of electrons on central atom and the shape of BrF3\mathrm{BrF_3} molecule respectively, areEasySingle correct
  2. 17 Mar 2021, Shift 1 · Q31A central atom in a molecule has two lone pairs of electrons and forms three single bonds. The shape of this molecule is :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.