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Intermolecular Forces and Properties

Total questions: 36

Worksheet time: 3hrs 3mins

Name
Class
Date
1.
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.
2.

This is an example of a(n) __________.

a)

Hydrogen Bonding

b)

Dipole

c)

Nonpolar Molecule

d)

Intermolecular Force

3.

Which of the following is an intramolecular force?

a)

hydrogen bonding

b)

polar covalent bonding

c)

London dispersion forces

d)

dipole-dipole interaction

4.

Which intermolecular force requires hydrogen and one of the following: nitrogen, oxygen, fluorine?

a)

Dipole-dipole

b)

Hydrogen bonding

c)

London dispersion forces

5.
Intermolecular forces are the forces
a)
within molecules
b)
between molecules
6.
Does CH4 have hydrogen bonding?
a)
yes
b)
no
7.
Does NH3 have hydrogen bonding?
a)
yes
b)
no
8.

Intramolecular forces are the forces

a)

within molecules

b)

between molecules

9.

What kind of force is the arrow pointing to?

a)

Intramolecular Force

b)

Intermolecular Force

10.

What kind of force is the arrow pointing to?

a)

Intramolecular force

b)

Intermolecular force

11.

Which sample has hydrogen bonding?

a)

H2S

b)

CH4

c)

NH3

d)

HI

12.

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

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.

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

a)

higher

b)

lower

15.

________________________ have the strongest intermolecular forces of attraction.

a)

Dipole- Dipole

b)

Dispersion

c)

Hydrogen Bonds

16.

Intermolecular forces for: NH3

a)

Dispersion Force

b)

Dipole dipole

c)

Hydrogen bonding

17.

Intermolecular forces for: CO2

a)

Dispersion Force

b)

Dipole dipole

c)

Hydrogen bonding

18.
Rank these in order of strength:
covalent bond
London forces
hydrogen bond
dipole-dipole attraction
a)
dipole-dipole>covalent bond>hydrogen bond>London
b)
London>dipole-diple>hydrogen bond>covalent bond
c)
covalent bond>hydrogen bond>dipole-dipole>London
d)
hydrogen bond>dipole-dipole>London>covalent bond
19.

Which of the following will NOT have hydrogen bonding?

a)
b)
c)
d)
20.
Does H2O have hydrogen bonding?
a)
yes
b)
no
21.
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.
22.
Which is the second strongest intermolecular force, after hydrogen bonding?
a)
dipole-dipole attraction
b)
London forces
23.
Intermolecular force present in HCl?
a)
dipole dipole
b)
dispersion
c)
H-bond
d)
ionic
24.
Ionic Bonding involves...
a)
The transfer of protons
b)
The transfer of nuetrons 
c)
The transfer of electrons
d)
None Of the above
25.

Which of the following is an intramolecular force?

a)

hydrogen bonding

b)

covalent bonding

26.

Which intramolecular force has the greatest strength?

a)

ionic bond

b)

nonpolar covalent

c)

polar covalent

27.

Which of these is the weakest intermolecular force [IMF]?

a)

Dipole-dipole

b)

Hydrogen bonding

c)

London dispersion forces

28.

Which intermolecular force [IMF] do all molecules have?

a)

Dipole-dipole

b)

Hydrogen bonding

c)

London dispersion forces

29.

Which intermolecular force [IMF] requires hydrogen and one of the following: nitrogen, oxygen, fluorine?

a)

Dipole-dipole

b)

Hydrogen bonding

c)

London dispersion forces

30.

Which intermolecular force [IMF] is characterized by partial charges?

a)

Dipole-dipole forces

b)

Hydrogen bonding

c)

London dispersion forces

31.

Which intermolecular force [IMF] causes water to have an elevated boiling point?

a)

London dispersion forces

b)

dipole-dipole forces

c)

hydrogen bonding

32.

Which type of intermolecular force [IMF] does this molecular drawing best represent?

a)

dipole-dipole forces

b)

hydrogen bonding

c)

London dispersion forces

33.

Which of these molecules exhibit London dispersion forces? (Select ALL that apply.)

a)

a

b)

b

c)

c

d)

d

34.
All molecules have London forces between them, but dipole-dipole and hydrogen bonding are so much stronger that when they are present we can ignore London forces.  Which of these has ONLY London forces?
a)
I2
b)
NH3
c)
OCl2
d)
SH2
35.

Melting and boiling points depend on thermal energy and the strength of ________

a)

intramolecular forces

b)

intermolecular forces

c)

polar covalent bonds

d)

metallic bonds

36.

London dispersion forces are also known as

a)

dipole

b)

covalent

c)

Van der Waals forces

d)

dispersion forces

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