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Intermolecular Forces Overview

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Questions and Answers

What type of intermolecular force occurs when hydrogen is bonded to fluorine, oxygen, or nitrogen?

Ion-dipole forces

London dispersion forces

Dipole-dipole forces

Hydrogen bonding (correct)

Which intermolecular force is the weakest and present in all molecules, even nonpolar ones?

Dipole-dipole forces

London dispersion forces (correct)

Hydrogen bonding

Ion-dipole forces

What property of a substance is affected by the strength of intermolecular forces?

Melting and boiling points (correct)

Color

Solubility

Density

Which intermolecular force is present in solutions of ionic compounds dissolved in polar solvents?

Ion-dipole forces Signup and view all the answers

What is the temperature at which the vapour pressure of a liquid becomes equal to the atmospheric pressure of its environment called?

Boiling point Signup and view all the answers

Why does liquid nitrogen turn into vapor easier compared to water?

Liquid nitrogen particles have stronger intermolecular forces Signup and view all the answers

What is the role of surface tension in liquids?

Causing molecules on the surface to be pushed together Signup and view all the answers

Which forces play a role in capillary action?

Adhesive and cohesive forces Signup and view all the answers

What are cohesive forces?

Forces between molecules of the same type Signup and view all the answers

What is viscosity a measure of in liquids?

The resistance to deformation Signup and view all the answers

How does honey demonstrate high intermolecular forces?

By being sticky and thick Signup and view all the answers