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 (4) Ammonia, beryllium difluoride, water, 1,4-dichlorobenzene #11thchemistry #neetchemistry #neet2020 #apchemistry