2.4 Study Guide

Question 1

What are the different types of intermolecular attractions

Answer 1

Hydrogen Bonds
Dipole Dipole
London Dispersion

Question 2

Rank the intermolecular attractions from weakest to strongest

Answer 2

Weakest: London Dispersion
Dipole-Dipole
Stongest: Hydrogen bond

Question 3

What is a hydrogen bond?

Answer 3

Strong Dipole-Dipole interactions between two molecules that each contain an O-H, F-H, N-H bond.

Question 4

What is Dipole-Dipole?

Answer 4

The negative end of one polar molecule attracts to the positive charge of another polar molecule.

Question 5

What is London Dispersion?

Answer 5

Temporary attractive force that results when the electrons in tow adjacent atoms occupy position that make the atoms form temporary dipoles.

Question 6

Is this molecule polar or non-polar?
Water/H2O

Answer 6

Polar

Question 7

Is this molecule polar or non-polar?
Carbon Dioxide/CO2

Answer 7

Nonpolar

Question 8

Is this molecule polar or non-polar?
Hydrogen Flouride/HF

Answer 8

Polar

Question 9

What type of intermolecular attraction is this molecule able to form?
H2O

Answer 9

Able to form a Hydrogen Bond

Question 10

What type of intermolecular attraction is this molecule able to form?
CO2

Answer 10

London Dispersion

Question 11

What type of intermolecular attraction is this molecule able to form?
HCl

Answer 11

Dipole-Dipole

Question 12

What molecule is soluble in water?

Answer 12

Polar molecules

Question 13

Is this molecule is not soluble in water?