STANDARDChemistry-Chemical Bonding and Molecular Structure
STANDARD Chemistry Dipole Moment MCQ Question
Type: MCQ-conceptual-Medium-Class 11
Which of the following, set of molecules will have zero dipole moment?
A
Ammonia, beryllium difluoride, water, 1, 4-dichlorobenzene
B
Boron trifluoride, hydrogen fluoride, carbon dioxide, 1, 3-dichlorobenzene
C
Nitrogen trifluoride, beryllium difluoride, water, 1,3-dichlorobenzene
D
Boron trifluoride, beryllium difluoride, carbon dioxide, 1, 4-dichlorobenzene
Correct Answer
Option D
Detailed Explanation
Boron trifluoride (BF₃), beryllium difluoride (BeF₂), carbon dioxide (CO₂), and 1,4-dichlorobenzene are all symmetrical molecules, which results in their dipole moments canceling out, leading to a net dipole moment of zero.
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