What is the difference between Keesom interactions and, London dispersion forces?

Answer 1

Keesom interactions are dipole-dipole interactions, while London dispersion forces are induced dipole-induced dipole interactions.

Both types of interaction contribute to van der Waals forces.

Keesom interactions

Keesom interactions are the electrostatic interactions among the permanent dipoles of polar molecules.

They arise when the #δ^"+"# end of a dipole in one molecule is attracted to the #δ^"-"# end of a dipole in another molecule.

London dispersion interactions

London dispersion interactions arise when a temporary imbalance of electrons of a nonpolar molecule induce a temporary dipole in another nearby molecule.

You can find more details about the differences in this Socratic answer.

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Answer 2

London dispersion forces are transient dipole-induced dipole interactions brought on by variations in the electron distribution within molecules, whereas Keesom interactions are dipole-dipole interactions between permanent dipoles in molecules.

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Answer from HIX Tutor

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

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