JEE Main Chemistry · Chemical Bonding and Molecular Structure

Steric Number Calculation

Steric Number Calculation (Chemical Bonding and Molecular Structure) was asked 9 times in 8 JEE Main shifts, 2022–2026, out of the 42 shifts Lumi analysed. 3 of the 9 had a numerical answer.

Times asked: 9; in 8 shifts
Years: 2022–2026
Usual format: Numerical value; Application
Pattern: Asked most years; repeats across shifts

How it is asked

Count species with given hybridization
Statement i/ii on lone pairs and octet

Difficulty

Easy 2Medium 6Hard 1

Where it sits

Chapter: Chemical Bonding and Molecular Structure. Topic: VSEPR Theory, 28 questions over 15 ideas.

All 9 questions

Newest first, each with its options and official answer.

5 Apr 2026, Shift 1 · Q71Consider the following species: $\mathrm{BrF_5}$ , $\mathrm{XeF_5^-}$ , $\mathrm{BF_4^-}$ , $\mathrm{ICl_4^-}$ , $\mathrm{XeF_4}$ ,…MediumNumerical value
6 Apr 2026, Shift 2 · Q53Given below are two statements : Statement I : The number of compounds among $\mathrm{SO_2}$ , $\mathrm{SO_3}$ , $\mathrm{SF_4}$ ,…HardTwo statements
7 Apr 2025, Shift 1 · Q58Match the LIST-I with LIST-I LIST-I (Molecule / ion) | LIST-II (Bond pair : lone pair (on the central atom)) A. $\mathrm{ICl_2^-}$ | I. 4…MediumMatch the list
7 Apr 2025, Shift 2 · Q58In $\mathrm{SO_2}$ , $\mathrm{NO_2^-}$ and $\mathrm{N_3^-}$ the hybridizations at the central atom are respectively :EasySingle correct
6 Apr 2024, Shift 2 · Q62Given below are two statements : Statement I : $\mathrm{PF_5}$ and $\mathrm{BrF_5}$ both exhibit $sp^3d$ hybridisation. Statement II :…MediumTwo statements
6 Apr 2024, Shift 2 · Q82Total number of species from the following with central atom utilising $\mathrm{sp^2}$ hybrid orbitals for bonding is ________.…MediumNumerical value
9 Apr 2024, Shift 1 · Q62In which one of the following pairs the central atoms exhibit $sp^2$ hybridization ?EasySingle correct
8 Apr 2023, Shift 2 · Q82The number of species from the following carrying a single lone pair on central atom Xenon is ____________. $\mathrm{XeF_5^+}$ ,…MediumNumerical value
24 Jun 2022, Shift 1 · Q63Match List - I with List - II : List - I (A) $[\mathrm{PtCl_4}]^{2-}$ (B) $\mathrm{BrF_5}$ (C) $\mathrm{PCl_5}$ (D)…MediumMatch the list