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JEE Main 31 January 2024, Shift 1, Chemistry Q83

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

The number of species from the following in which the central atom uses

\mathrm{sp^3}

hybrid orbitals in its bonding is _________.

\mathrm{NH_3, SO_2, SiO_2, BeCl_2, CO_2, H_2O, CH_4, BF_3}

Official answer

NTA final key.

Chapter: Chemical Bonding and Molecular Structure
Topic: VSEPR Theory
Idea tested: Steric Number 4 Shapes

Same idea in other shifts

Asked 3× in all

8 Apr 2024, Shift 1 · Q62Match List I with List II LIST I (Molecule): A. $\mathrm{NH_3}$ ; B. $\mathrm{BrF_5}$ ; C. $\mathrm{PCl_5}$ ; D. $\mathrm{CH_4}$ LIST II…EasyMatch the list
11 Apr 2023, Shift 1 · Q62Match List-I with List-II : List-I Species | List-II Geometry/Shape A. $\mathrm{H_3O^+}$ | I. Tetrahedral B. Acetylide anion | II. Linear…EasyMatch the list

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 42 of the 174 JEE Main shifts held from 2017 to 2026.