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What are vanderwaals forces?How do they act and between what molecules do they act?Please explain in detail

What are vanderwaals forces?How do they act and between what molecules do they act?Please explain in detail

Grade:12th Pass

1 Answers

Ravleen Kaur
askIITians Faculty 1452 Points
2 years ago
Hi

Molecules can attract each other at moderate distances and repel each other at close range.The attractive forces are collectively calledVAN DER WAALSforces

These are weak forces which contribute to intermolecular bonding between molecules.
These forces are much weaker than chemical bonds, and random thermal motion around room temperature can usually overcome or disrupt them.

Van der waals forces include all intermolecular forces that act between electrically neutral molecules.

Van der waals forces are sum of attractive and repulsive forces between atoms and molecules. These forces differ from chemical bonding because they result in fluctuations in charge density of particles.

EXAMPLES-Hydrogen bonding, Dispersion bonding, Dipole-Dipole interaction.

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