Final answer:
H₂S has a bent molecular geometry and a net dipole moment, leading to significant dipole-dipole interactions between its molecules due to the permanent dipoles within each molecule.
Step-by-step explanation:
Hydrogen sulfide, H₂S, has a bent molecular geometry, which is due to the total number of eight electrons around the central sulfur atom, resulting in four electron pairs.
Two of these are bonding pairs and two are lone pairs. Because of this geometry, the bond dipoles do not cancel each other out, and H₂S has a net dipole moment.
Dipole-dipole interactions will indeed occur between H₂S molecules as a significant intermolecular force. This interaction is due to the permanent dipole that arises from the electronegativity difference between the sulfur and hydrogen atoms. The polar nature of H₂S enables these molecules to attract each other through their opposite partial charges.