Number of compounds from the following with zero dipole moment is . HF , H 2 , H 2 S , CO 2 , NH 3 , BF 3 , CH 4 , CHCl 3 , SiF 4 , H 2 O , BeF 2

Chemistry · Chemical Bonding

JEE Main 2024 — 5 April, Shift 2 — Question 88

Number of compounds from the following with zero dipole moment is $\qquad$ .

$\mathrm{HF}, \mathrm{H}_{2}, \mathrm{H}_{2} \mathrm{~S}, \mathrm{CO}_{2}, \mathrm{NH}_{3}, \mathrm{BF}_{3}, \mathrm{CH}_{4}, \mathrm{CHCl}_{3}, \mathrm{SiF}_{4}$ , $\mathrm{H}_{2} \mathrm{O}, \mathrm{BeF}_{2}$

Answer: 6

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Step-by-step solution

$\mathrm{H}_{2}, \mathrm{CO}_{2}, \mathrm{BF}_{3}, \mathrm{CH}_{4}, \mathrm{SiF}_{4}, \mathrm{BeF}_{2}$

are symm. molecule so dipole moment is zero

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Exam: JEE Main 2024
Paper: 5 April, Shift 2
Subject: Chemistry
Chapter: Chemical Bonding
Topic: Dipole Moment and Fajans' Rule

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Answer: 6

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