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Dipole-Dipole Interaction Quiz

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Questions and Answers

What are dipole-dipole forces?

Repulsive forces between the positive pole of one polar molecule and the negative pole of another polar molecule

Attractive forces between the positive pole of one polar molecule and the negative pole of another polar molecule (correct)

Forces between non-polar molecules

Forces between the same poles of polar molecules

What is the process called when the positive pole of one molecule attracts the negative pole of another molecule?

Hydrogen bonding

Ionic bonding

Covalent bonding

Dipole-dipole interaction (correct)

What determines the strength of dipole-dipole forces?

Electronegativity difference between the bonded atoms and distance between the molecules (correct)

Temperature and pressure

Size of the molecules and their color

Type of chemical bond and molecular weight

In which state of matter are dipole-dipole forces weaker?

Gases Signup and view all the answers

In what type of molecules do dipole-dipole forces exist?

Polar molecules Signup and view all the answers

What is the definition of vapour pressure?

The pressure exerted by vapours in equilibrium with its liquid at a particular temperature Signup and view all the answers

What causes the establishment of dynamic equilibrium in vapour pressure?

Equal rates of evaporation and condensation Signup and view all the answers

What is the role of kinetic energy in the formation of vapour pressure?

Molecules with greater kinetic energy escape the liquid surface and form vapours Signup and view all the answers

What does vapour pressure measure?

The tendency of a liquid to evaporate Signup and view all the answers

How is vapour pressure affected by temperature?

Vapour pressure increases with increasing temperature Signup and view all the answers