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Intermolecular Forces and Properties

Total questions: 78

Worksheet time: 3hrs 11mins

Name
Class
Date
1.
Which of the following factors plays an important role in the identification of specific intermolecular forces in a molecule?
a)
bond type
b)
density
c)
solubility
d)
molecular polarity
2.

Type of intermolecular force present in I2, Br2, and Cl2.

a)

dipole dipole

b)

H-bond

c)

London dispersion

d)

metallic

3.

Which substance would have the weakest intermolecular forces of attraction?

a)

CH4

b)

NaCl

c)

H2O

d)

MgF2

4.

Intermolecular forces for: NH3

a)

London dispersion Forces

b)

Dipole dipole

c)

Hydrogen bonding

5.

Intermolecular forces for: CO2

a)

London dispersion Forces

b)

Dipole dipole

c)

Hydrogen bonding

6.

Water has an unusually high boiling point for a molecular compound because it has

a)

hydrogen bonding

b)

ion-ion attractions

c)

a high density

d)

a large gram formula mass

7.

The weaker the intermolecular forces of a substance the _____________ the boiling point

a)

higher

b)

lower

8.

Which molecule: Br2, HCl, H2S, or NH3, will most likely have London dispersion forces as the MOST important IMF considered when determining melting/boiling points?

a)

Br2, it only has dispersion forces when interacting

b)

HCl, it can participate in dipole-dipole interactions and also dispersion forces

c)

H2S, it can participate in dipole-dipole interactions and also dispersion forces

d)

NH3, it can participate in hydrogen bonding and also dispersion forces

9.

Which noble gas should have the highest boiling point? (Hint: Think about how size affects IMFs)

a)

He

b)

Ne

c)

Kr

d)

Xe

10.

Which of the following will NOT have hydrogen bonding?

a)
b)
c)
d)
11.

Which of the following will have the lowest melting point?

a)
b)
c)
d)
12.
Does CH4 have hydrogen bonding?
a)
yes
b)
no
13.

Which substance has the weakest intermolecular forces?

a)

Substance A, boiling point of 75 °C

b)

Substance B, boiling point of 105 °C

c)

Substance C, boiling point of 25 °C

d)

Substance d, boiling point of 45 °C

14.
Does HF have hydrogen bonding?
a)
yes
b)
no
15.
A substance capable of hydrogen bonding has a ___________ boiling point than a similar substance that doesn't hydrogen bond.
a)
higher
b)
lower
16.

Which type of IMF is responsible for the attraction pictured above?

a)

Dipole-Dipole Interaction

b)

Ion-Dipole Interaction

c)

Hydrogen Bonds

d)

Covalent Bond

e)

Ionic Bond

17.

Which of these is not an intermolecular force?

a)

covalent bonding

b)

London dispersion forces

c)

hydrogen bonding

d)

dipole-dipole forces

18.

Hydrogen bonding is a special type of what force?

a)

London dispersion forces

b)

ion-dipole forces

c)

dipole-dipole forces

d)

covalent force

19.

What type of intermolecular force is present in all substances, regardless of polarity?

a)

London dispersion forces

b)

ion-dipole forces

c)

dipole-dipole forces

d)

hydrogen bonding

20.
Intermolecular force present in HCl?
a)
dipole dipole
b)
dispersion
c)
H-bond
d)
ionic
21.
What will be the state of the following molecule?
a)
gas
b)
liquid
c)
solid
22.
How will the following molecule bond with itself?
a)
Dispersion
b)
Dipole
c)
Hydrogen bond
23.
Intermolecular forces are the forces
a)
within molecules
b)
between molecules
24.
What explains the very high melting and boiling point of water
a)
Strong dipole-dipole bonds between water molecules
b)
Strong hydrogen bonds between water molecules
c)
Dispersion forces which are present in all molecules
d)
Asymmetrical shape of the polar bonds.
25.
Hydrogen bonding occurs when hydrogen is bonded to N, O, or F.  Which of the following has hydrogen bonding?
a)
CBr4
b)
NO2
c)
H2S
d)
NH3
26.
Does CH4 have hydrogen bonding?
a)
yes
b)
no
27.

Intermolecular forces for: NH3

a)

London Dispersion Force

b)

Dipole dipole

c)

Hydrogen bonding

28.

Intermolecular forces for: CO2

a)

London Dispersion Force

b)

Dipole dipole

c)

Hydrogen bonding

29.
Determine the type of intermolecular force present in SiO2.
a)

dipole dipole

b)

ion-ion

c)

ionic

d)

London Dispersion Force

30.
Type of intermolecular force present in I2, Br2, and Cl2.
a)

dipole dipole

b)

H-bond

c)

London Dispersion Forces

d)

metallic

31.
H2S has what kind of intermolecular force?
a)

dipole dipole

b)

London Dispersion Force

c)

H-bond

d)

ionic

32.
Intermolecular forces are the forces
a)
within molecules
b)
between molecules
33.
Which of the following has the highest boiling point?
a)
H2
b)
NH3
c)
N2
d)
O2
34.

Which substance would have the weakest intermolecular forces of attraction?

a)

CH4

b)

NaCl

c)

H2O

d)

MgF2

35.

The weaker the intermolecular forces of a substance the _____________ the boiling point

a)

higher

b)

lower

36.
Which of the following has the lowest boiling point?
a)
CaCl2
b)
PH3
c)
Cl2
d)
N2
37.
Ionic Bonding involves...
a)
The transfer of protons
b)
The transfer of nuetrons 
c)
The transfer of electrons
d)
None Of the above
38.
Type of intermolecular force present in HF.
a)

dipole dipole

b)

London Dispersion Force

c)

H-bond

d)

ionic

39.
Type of intermolecular force present in I2, Br2, and Cl2.
a)

dipole dipole

b)

H-bond

c)

London dispersion forces

d)

metallic

40.
H2S has what kind of intermolecular force?
a)

dipole dipole

b)

London dispersion forces

c)

H-bond

d)

ionic

41.
Intermolecular force present in HCl?
a)

dipole dipole

b)

London dispersion forces

c)

H-bond

d)

ionic

42.
Intermolecular force present in Cl2?
a)

dipole dipole

b)

H-bond

c)

London dispersion forces

d)

metallic

43.
Type of intermolecular force present in HF.
a)

dipole dipole

b)

London dispersion forces

c)

H-bond

d)

ionic

44.

Br2 is linear and nonpolar. Which is its dominant IMF?

a)

LDF

b)

Dipole-dipole

c)

Hydrogen bonding

45.

Intermolecular forces are the forces

a)

Within molecules

b)

Between molecules

46.

HF is linear and polar. Which is its dominant IMF?

a)

LDF

b)

Dipole-dipole

c)

Hydrogen bonding

47.

Which lists the IMF's in order from weakest to strongest?

a)

Hydrogen bonding, dipole-dipole, LDF

b)

Dipole-dipole, LDF, hydrogen bonding

c)

LDF, dipole-dipole, hydrogen bonding

d)

Dipole-dipole, hydrogen bonding, LDF

48.

CH2O is trigonal planar and polar. What is its dominant IMF?

a)

LDF

b)

Dipole-dipole

c)

Hydrogen bonding

49.

NBr3 is trigonal pyramidal and polar. What is its dominant IMF?

a)

LDF

b)

Dipole-dipole

c)

Hydrogen bonding

50.

Which IMF occur ONLY between polar molecules?

a)

LDF only

b)

Dipole-dipole and hydrogen bonding

c)

LDF and hydrogen bonding

d)

Dipole-dipole only

51.

SiF4 is tetrahedral and nonpolar. What is its dominant IMF?

a)

LDF

b)

Dipole-dipole

c)

Hydrogen bonding

52.

Which is the only IMF present between nonpolar molecules?

a)

LDF

b)

Dipole-dipole

c)

Hydrogen bonding

53.

NH3 is trigonal pyramidal and polar. What is its dominant IMF?

a)

LDF

b)

Dipole-dipole

c)

Hydrogen bonding

54.

In which region(s) does temperature remain constant?

a)

Region 1,3 and 5

b)

Region 2 and 4

c)

Region 1 only

d)

Region 1 and 2

55.

In which region(s) does temperature increase?

a)

Regions 1, 3, and 5

b)

Region 2 and 4

c)

Region 1 only

d)

Region 1 and 2

56.

In which region(s) does a phase change occur?

a)

Regions 1, 3, and 5

b)

Regions 2 and 4

c)

Region 1 only

d)

Region 1 and 2

57.

In which region(s) of the graph is the substance in only 1 phase?

a)

Region 1, 3, and 5

b)

Regions 2 and 4

c)

Region 1 only

d)

Regions 1 and 2

58.

Describe the substance between letters D and E.

a)

Gas

b)

Liquid

c)

Both Liquid and Gas

59.

What is the name of the compound CCl2?

a)

Calcium Chloride

b)

Carbon Chloride

c)

Carbon Dichloride

d)

Carbide Chloride

60.

What is the formula of Carbon Tetraflouride?

a)

CF

b)

CF2

c)

CF4

d)

C4F

61.

What is the name of N2O?

a)

Nitrogen Dioxide

b)

Dinitrogen Monoxide

c)

Nitrogen Oxygen

d)

Nitrogen Monoxide

62.

What type of molecule only experiences London Dispersion Forces?

a)

Nonpolar Molecule

b)

Polar Molecule

c)

Ionic Compound

63.

What elements have to be present for a hydrogen bond?

a)

Oxygen

b)

Nitrogen

c)

Boron

d)

Hydrogen

e)

Flourine

64.

Describe the substance between C and D.

a)

Gas

b)

Melting

c)

Liquid

d)

Solid

65.

This graph shows phase changes that are

a)

Exothermic

b)

Endothermic

c)

Impossible to know

66.

Polar Molecules have stronger IMFs than Nonpolar Molecules.

a)

True

b)

False

67.

When H2O is heated.

a)

It breaks chemical bonds and releases Hydrogen and Oxygen gas.

b)

A physical change occurs and water vapor is released.

68.

What is correct about this drawing? (Choose 2 options)

a)

A is pointing to a covalent bond

B is pointing to a hydrogen bond

b)

A is pointing to a hydrogen bond

B is pointing to a covalent bond

c)

B takes more energy to break than A

d)

A takes more energy to break than B

69.

What type of IMFs would occur between two molecules of Carbon Tetrachloride? You can choose more than 1 answer.

a)

London Dispersion Force

b)

Dipole-Dipole

c)

Hydrogen Bonding

d)

Ion-Dipole

70.

What types of IMFs would occur between Sulfur Dioxide Molecules?

a)

London Dispersion

b)

Hydrogen Bonding

c)

Dipole-Dipole

d)

Ion-Dipole

71.

What types of IMFs would be present between two molecules of ethyl acetate? Check all that apply.

a)

London Dispersion Forces

b)

Hydrogen Bonding

c)

Dipole-Dipole

d)

Ion Dipole

72.

What would have the strongest IMFs between molecules of itself?

a)

H2O

b)

I2

c)

HCl

d)

NaCl

73.

Hydrogen bonds are a type of bonding.

a)

True

b)

False

74.

What are the intermolecular forces between 2 molecules of CO2?

a)

London Dispersion

b)

Dipole-Dipole

c)

Hydrogen Bonding

d)

Ion-Dipole

75.

Types of bonds between molecules of NH3?

a)

Hydrogen Bonding

b)

London Dispersion Forces

c)

Dipole Dipole

76.

The temperature is staying the same in region 2 because 

a)

Heat Energy that is going into the system is causing the molecules to have more kinetic energy and move faster

b)

Heat Energy that is going into the system is being used to break Intermolecular Forces

c)

Heat Energy is going into the surroundings instead of the system

77.

The temperature is increasing in region 3 because 

a)

Heat Energy that is going into the system is causing the molecules to have more kinetic energy and move faster

b)

Heat Energy that is going into the system is being used to break Intermolecular Forces

c)

Heat Energy is going into the surroundings instead of the system

78.

Chemical X has a boiling point of -13C and Chemical Y has a boiling point of 25C.  Which of the following is true?

a)

Chemical X has stronger IMF's than Chemical Y

b)

Chemical Y has stronger IMF's than Chemical X

c)

Chemical X and Y have the same types of IMF's

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