Intermolecular Forces and Vapor Pressure

Intermolecular Forces and Vapor Pressure

Assessment

Interactive Video

Chemistry

10th - 12th Grade

Practice Problem

Hard

Created by

Patricia Brown

FREE Resource

The video tutorial explains how vapor pressure is influenced by intermolecular forces. Molecules with weaker intermolecular forces have higher vapor pressures as they escape more easily to the gas phase. The video covers different types of intermolecular forces, including hydrogen bonding, dipole-dipole, and London dispersion forces, and compares molecules based on these forces. It also discusses the differences between polar and non-polar molecules and how molecular weight affects London dispersion forces. The tutorial concludes with a summary of the key points discussed.

Read more

10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What determines the vapor pressure of a liquid?

The temperature of the liquid

The strength of intermolecular forces

The volume of the liquid

The color of the liquid

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which type of intermolecular force is considered the strongest?

Van der Waals forces

Hydrogen bonding

Dipole-dipole forces

London dispersion forces

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What type of intermolecular force is present in non-polar molecules?

Ion-dipole forces

London dispersion forces

Dipole-dipole forces

Hydrogen bonding

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which molecule would have a higher vapor pressure, CH3COOH or C2H6?

CH3COOH

C2H6

Both have the same vapor pressure

Cannot be determined

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Why does CF4 have a higher vapor pressure than CHF3?

CF4 has a larger molecular weight

CF4 has hydrogen bonding

CF4 is polar with dipole-dipole forces

CF4 is non-polar with only London dispersion forces

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which molecule has stronger London dispersion forces, I2 or Br2?

Both have the same strength

Neither have London dispersion forces

Br2

I2

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the relationship between molecular size and London dispersion forces?

Larger molecules have weaker forces

Larger molecules have stronger forces

Smaller molecules have stronger forces

Size does not affect the forces

Access all questions and much more by creating a free account

Create resources

Host any resource

Get auto-graded reports

Google

Continue with Google

Email

Continue with Email

Classlink

Continue with Classlink

Clever

Continue with Clever

or continue with

Microsoft

Microsoft

Apple

Apple

Others

Others

Already have an account?