JEE Main 2023 · ChemistryMultiple choiceSingle correctMediumConceptual

JEE Main 10 April 2023, Shift 1, Chemistry Q72

Question 72 of 90 in this shift, Chemistry question 12 of 30, Section A.

The pair from the following pairs having both compounds with net non-zero dipole moment is

(1)cis-butene, trans-butene
(2) $\mathrm{CH_2Cl_2}$ , $\mathrm{CHCl_3}$ Official answer
(3)1,4-Dichlorobenzene, 1,3-Dichlorobenzene
(4)Benzene, anisidine

Official answer

Option 2

NTA final key.

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

Same idea in other shifts

Asked 8× in all

4 Apr 2024, Shift 1 · Q62Which one of the following molecules has maximum dipole moment ?EasySingle correct
4 Apr 2024, Shift 2 · Q82Number of compounds / species from the following with non-zero dipole moment is ________.…MediumNumerical value
5 Apr 2024, Shift 2 · Q62Given below are two statements : one is labelled as Assertion (A) and the other is labelled as Reason (R). Assertion (A) : $\mathrm{NH_3}$ …MediumAssertion–reason
5 Apr 2024, Shift 2 · Q82Number of compounds from the following with zero dipole moment is ________. $\mathrm{HF}$ , $\mathrm{H_2}$ , $\mathrm{H_2S}$ ,…EasyNumerical value
25 Jun 2022, Shift 2 · Q83Amongst $\mathrm{BeF_2}$ , $\mathrm{BF_3}$ , $\mathrm{H_2O}$ , $\mathrm{NH_3}$ , $\mathrm{CCl_4}$ and HCl, the number of molecules with…MediumNumerical value
30 Jun 2022, Shift 1 · Q82Amongst the following, the number of molecule/(s) having net resultant dipole moment is ___________. $\mathrm{NF_3}$ , $\mathrm{BF_3}$ ,…EasyNumerical value
2 Sep 2020, Shift 1 · Q29If $\mathrm{AB_4}$ molecule is a polar molecule, a possible geometry of $\mathrm{AB_4}$ 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.