Intermolecular Forces

Question 1

London Dispersion Forces

Answer 1

Forces from temporary fluctuations in electron dispersion

Question 2

Which type of molecules are London Dispersion Forces found in?

Answer 2

All

Question 3

What is the alternative name for London Dispersion Forces?

Answer 3

van der Waals forces

Question 4

Are LDFs stronger when molecules are larger or smaller?

Answer 4

Larger

Question 5

Does polarity affect if LDFs are found in molecules?

Answer 5

No, they’re in all molecules regardless

Question 6

Are LDFs individually strong or weak?

Answer 6

Weak

Question 7

Do dipole-dipole forces appear in non-polar or polar molecules?

Answer 7

Polar

Question 8

In a dipole-dipole force, a ________ end of one molecule is attracted to the ________ end of another molecule.

Answer 8

Positive - Negative

Question 9

Rank these from strongest to weakest: LDFs, Hydrogen Bonding, and Dipole-Dipole Forces

Answer 9

1. Hydrogen Bonding
2. Dipole-Dipole Forces
3. London Dispersion Forces

Question 10

What type of properties does a dipole-dipole force affect in a polar molecule?

Answer 10

Physical