Year: 2020
Topic: Chemical Bonding and Molecular Structure
Time :
1.
Which of the following set of molecules will have zero dipole moment?
(1). Boron trifluoride, hydrogen fluoride, carbon dioxide, 1,3-dichlorobenzene
(2). Nitrogen trifluoride, beryllium difluoride, water, 1,3-dichlorobenzene
(3). Boron trifluoride, beryllium difluoride, carbon dioxide, 1,4-dichlorobenzene bn
(4). Ammonia, berylium difluoride, water, 1,4- dichlorobenzene