Apr 27, 2020 · Example: Draw in polar bonds with arrows to show the bond dipole moments and molecular dipole moment of dimethyl ether (CH 3 O CH 3), tetrafluoromethane (CF 4) and HCOCH 2 CF 3. In order to deduce dipole moments of molecule is to know the 3-D structure of the molecule. Then, draw in the bond dipoles (red arrows). We consider C-H and C-C bonds ... Jun 07, 2019 · BF3 has zero dipole moment because all vector cancel the effect of each other. Among NH3,H2O and CHCl3, water has highest dipole moment because all the vector is added up to give large dipole moment. the order of dipole moment is given below H2O>N...