JEE Main 202310 AprilMorning Shift

Exam: JEE Main
Year: 2023
Date: 10 April
Shift: Morning Shift
Subject: Chemistry
Chapter: Chemical Bonding and Molecular Structure

JEE Main 2023 · 10 April · Morning Shift · Chemistry · Chemical Bonding and Molecular Structure

The pair from the following pairs having both compounds with net...

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

Options

A $1, 4$ -Dichlorobenzene, $1, 3$ -Dichlorobenzene
Bcis-butene, trans-butene
C ${CH}_{2}{Cl}_{2}, {CHCl}_{3}$
DBenzene, anisidine

Correct answer

C. ${CH}_{2}{Cl}_{2}, {CHCl}_{3}$

Step-by-step solution

The dipole moment is the vector sum of all the bond moments. The ${CH}_{2}{Cl}_{2}$ and ${CHCl}_{3}$ both have net non-zero dipole moment because the bond moments are not cancelled each other due to their tetrahedral structure. The $1, 4$ -dichlorobenzene, trans-butene, benzene have zero dipole moment due to cancellation of bond moments. The $1, 3$ -dichlorobenzene, cis-butene, anisidine has non-zero dipole moment.

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