2.4 intermolecular forces

Question 1

What is London dispersion forces?

Answer 1

The weakest form of attraction. Can be between any atom and molecule.

Question 2

What is dipole dipole interaction?

Answer 2

Permanent partial charges.

Question 3

What are hydrogen bonds?

Answer 3

An extra strong form of dipole dipole interaction. Must contain O-H, N-H, or F-H.

Question 4

Rank the attractions from strongest to weakest.

Answer 4

Hydrogen bonds
dipole dipole interaction
London dispersion

Question 5

What makes a molecule polar?

Answer 5

Must be asymmetrical

Question 6

What makes a molecule non-polar?

Answer 6

Must be symmetrical.

Question 7

What kind of molecule is hydrophilic?

Answer 7

Polar molecules

Question 8

What kind of intermolecular attractions participate in a water molecule?

Answer 8

London dispersion
dipole dipole
Hydrogen

Question 9

What kind of intermolecular attractions participate in a carbon dioxide molecule?

Answer 9

London dispersion
dipole dipole
hydrogen