Which of the following set of molecules willhave zero dipole moment?(1) Nitrogen trifluoride, beryll

Which of the following set of molecules will have zero dipole moment? (1) Nitrogen trifluoride, beryllium difluoride, water, 1,3-dichlorobenzene (2) Boron trifluoride, beryllium difluoride, carbon dioxide, 1,4-dichlorobenzene (3) Ammonia, beryllium difluoride, water, 1,4-dichlorobenzene (4) Boron trifluoride, hydrogen fluoride, carbon dioxide, 1,3-dichlorobenzene #jeeneet2020 #jee2020 #neet2020 class 12 questions class 11 questions jee neet questions chemistry jee neet important questions