JEE Main 2020 · ChemistryMultiple choiceSingle correctEasyConceptual

JEE Main 2 September 2020, Shift 1, Chemistry Q29

Question 29 of 75 in this shift, Chemistry question 4 of 25.

\mathrm{AB_4}

molecule is a polar molecule, a possible geometry of

\mathrm{AB_4}

is :

(1)Tetrahedral
(2)Square planar
(3)Rectangular planar
(4)Square pyramidalOfficial answer

Official answer

Option 4

NTA final key (Sep 2020).

Chapter: Chemical Bonding and Molecular Structure
Topic: VSEPR Theory
Idea tested: Net Dipole Moment from VSEPR Symmetry

Same topic in other shifts

All VSEPR Theory questions

2 Apr 2026, Shift 2 · Q53 $SF_4$ is isostructural with: A. $BrF_4^{\oplus}$ B. $CH_4$ C. $IF_4^{\oplus}$ D. $XeF_4$ E. $XeO_2F_2$ Choose the correct answer from the…MediumSingle correct
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
5 Apr 2026, Shift 2 · Q59Given below are two statements : Statement I : Aluminium upon reaction with NaOH forms $\mathrm{[Al(OH)_6]^{3-}}$ ion. Statement II : The…MediumTwo statements
6 Apr 2026, Shift 1 · Q54The pairs among $\mathrm{A}=\left[\mathrm{SO_3^{2-},CO_3^{2-}}\right]$ , $\mathrm{B}=\left[\mathrm{O_2^{2-},F_2}\right]$ ,…MediumSingle correct
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
6 Apr 2026, Shift 2 · Q59Given below are two statements : Statement I : $\mathrm{F_2O<H_2O<Cl_2O}$ is the correct trend in terms of bond angle. Statement II :…MediumTwo statements

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.