What do Van der Waals forces do?A.They stimulate hydrogen-bond formation between molecules.B.They form temporary, weak dipole attractions between molecules.C.They remove electrons from atomic orbitals, creating dipoles.D.They stick polar molecules together.
Question
What do Van der Waals forces do?A.They stimulate hydrogen-bond formation between molecules.B.They form temporary, weak dipole attractions between molecules.C.They remove electrons from atomic orbitals, creating dipoles.D.They stick polar molecules together.
Solution
Van der Waals forces form temporary, weak dipole attractions between molecules. This is because they are a type of intermolecular force that occurs when molecules come close to each other, leading to fluctuations in the electron distribution. These fluctuations cause a temporary dipole to form, which induces a dipole in a nearby molecule, leading to an attraction between the two. This is a weak and temporary force, but it can have significant effects on the properties of substances, especially those that are nonpolar.
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