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van der Vaals forces of attraction and dipole-dipole interaction
ionic
London dispersion forces (instantaneous induced dipole-dipole interactions.)
London Dispersion Forces
Intermolecular forces are of the type(1) hydrogen bonds (2) dipole-dipole attractions (3) dispersion forces (van der Waals, etc.)
London dispersion forces
Dipole-dipole interaction and Vander waal's forces.
van der Vaals forces of attraction and dipole-dipole interaction
It is a non polar compound. So it has London forces among molecules. They are a weak type of forces.
Intramolecular forces are not intermolecular forces !
In almost all hydrocarbons, the only type of intermolecular forces that exists is the London forces (Van der Waals forces).
Since the covalent bond between sulfur and oxygen is polar, dipole dipole attractions are present as intermolecular forces.
AlH3 alane is a covalent solid and is a giant molecule, so no intermolecular forces will be present. Planar AlH3 molecules have been isolated at very low temperatures. AlH3 molecules would be predicted to have no dipole moment due to their shape. The only intermolecular forces would be London dispersion forces.
Dipole
ionic
London Dispersion Forces
London dispersion forces (instantaneous induced dipole-dipole interactions.)