JEE Main 2024 · ChemistryNumerical answerNumerical valueMediumApplication

JEE Main 29 January 2024, Shift 1, Chemistry Q83

Question 83 of 90 in this shift, Chemistry question 23 of 30, Section B.

Number of compounds with one lone pair of electrons on central atom amongst following is ________

\mathrm{O_3, H_2O, SF_4, ClF_3, NH_3, BrF_5, XeF_4}

Official answer

NTA final key.

Chapter: Chemical Bonding and Molecular Structure
Topic: VSEPR Theory
Idea tested: Steric Number 5 Derivative Shapes

Same idea in other shifts

Asked 7× in all

5 Apr 2024, Shift 2 · Q67Match List - I with List - II. List - I List - II (A) ICl (I) T - shape (B) $\mathrm{ICl_3}$ (II) Square pyramidal (C) $\mathrm{ClF_5}$ …MediumMatch the list
6 Apr 2024, Shift 1 · Q68Match List I with List II LIST I (Compound/Species) A. $\mathrm{SF_4}$ B. $\mathrm{BrF_3}$ C. $\mathrm{BrO_3^-}$ D. $\mathrm{NH_4^+}$ LIST…EasyMatch the list
30 Jan 2024, Shift 1 · Q62Match List - I with List - II. List - I (Molecule) List - II (Shape) (A) $\mathrm{BrF_5}$ (I) T-shape (B) $\mathrm{H_2O}$ (II) See saw (C)…EasyMatch the list
26 Jul 2022, Shift 1 · Q61Match List - I with List - II. List - I (Compound) (A) $\mathrm{BrF_5}$ (B) $[\mathrm{CrF_6}]^{3-}$ (C) $\mathrm{O_3}$ (D)…EasyMatch the list
28 Jun 2022, Shift 2 · Q63In the structure of $\mathrm{SF_4}$ , the lone pair of electrons on S is in.EasySingle correct
2 Sep 2020, Shift 2 · Q29The molecular geometry of $\mathrm{SF_6}$ is octahedral. What is the geometry of $\mathrm{SF_4}$ (including lone pair(s) of electrons, if…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.