The molecule having zero dipole moment is

The number of molecules having zero dipole moment is trans-but-2-ene, cis-pent-2-ene, cis-but-2-ene, propene, trans-1,2-dichloroethene, but-2-yne, cis-1,2-dichloroethene

The molecule having non-zero dipole moment is

Molecule with zero dipole moment is

The molecules having dipole moment are :

The molecules having dipole moment are :

Which among the following pairs of molecules have zero dipole moment ? .

Which among the following pairs of molecules have zero dipole moment ? .

The molecule which have zero dipole moments is .