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Question: Answered & Verified by Expert
Among the following, the molecule with the lowest dipole moment is
ChemistryChemical Bonding and Molecular StructureJEE MainJEE Main 2012 (19 May Online)
Options:
  • A
    $\mathrm{CHCl}_3$
  • B
    $\mathrm{CH}_3 \mathrm{Cl}$
  • C
    $\mathrm{CH}_2 \mathrm{Cl}_2$
  • D
    $\mathrm{CCl}_4$
Solution:
2550 Upvotes Verified Answer
The correct answer is:
$\mathrm{CCl}_4$
$\mathrm{CCl}_4$ has lowest (zero) dipole moment. This is due to its symmetrical tetrahedral structure. Due to which dipole moment of one bond is cancelled by opposite dipole moment of the other three bonds.

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