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IMF (Intermolecular forces) Review

Total questions: 40

Worksheet time: 37mins

Name
Class
Date
1.
Intermolecular forces are the forces
a)
within molecules
b)
between molecules
2.

Intramolecular forces are the forces

a)

within molecules

b)

between molecules

3.

This is an example of a(n) (a)   .

4.

This is an example of a(n) (a)   .

5.

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

a)

Dipole-dipole

b)

Hydrogen bonding

c)

London dispersion forces

6.
Does CH4 have hydrogen bonding?
a)
yes
b)
no
7.

What kind of force is the arrow pointing to?

a)

Intramolecular Force

b)

Intermolecular Force

8.
Does NH3 have hydrogen bonding?
a)
yes
b)
no
9.

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

a)

higher

b)

lower

10.
London forces are stronger in heavier atoms or molecules, and weaker in lighter atoms or molecules.  Which of these has the strongest London forces?
a)
F2
b)
Br2
c)
I2
d)
Cl2
11.
Does HF have hydrogen bonding?
a)
yes
b)
no
12.
What information do we look for on the periodic table if we  want to examine intermolecular forces?
a)
atomic mass
b)
atomic number
c)
electronegativity
d)
ionization 
13.
Type of intermolecular force present in I2, Br2, and Cl2.
a)
dipole dipole
b)
H-bond
c)
dispersion
d)
metallic
14.
H2S has what kind of intermolecular force?
a)
dipole dipole
b)
dispersion
c)
H-bond
d)
ionic
15.
Intermolecular force present in HCl?
a)
dipole dipole
b)
dispersion
c)
H-bond
d)
ionic
16.
Intermolecular force present in Cl2?
a)
dipole dipole
b)
H-bond
c)
dispersion
d)
metallic
17.

In a polar covalent bond, the electrons gather around...

a)

Mostly the atom with the greatest electronegativity

b)

The atom with the lowest electronegativity

c)

Each atom equally

d)

Only the atom with the greatest electronegativity

18.

In a nonpolar covalent bond, the electrons gather around...

a)

Mostly the atom with the greatest electronegativity

b)

The atom with the lowest electronegativity

c)

Each atom Equally

d)

Only the atom with the greatest electronegativity

19.
What type of intermolecular force is the strongest?
a)
Hydrogen bonding
b)
Dipole-dipole attractions
c)
London forces
20.
In general, substances with stronger intermolecular forces have ________ boiling points than those with weaker forces
a)
Higher
b)
Lower
c)
Forces and boiling point are not related
21.
Intermolecular forces are the forces
a)
within molecules
b)
between molecules
22.
Which of the following has the highest boiling point?
a)
H2
b)
NH3
c)
N2
d)
O2
23.

The greater the intermolecular force (IMF) the more likely the substance will dissolve?

(a)  

24.

Which of the following properties of substances is NOT determined by IMFs?

a)

Melting/boiling point

b)

Vapor pressure

c)

Density

d)

Shape and color

25.

Match the Following

a)

Hydrogen Bond

1.

Present in Polar involving N, O, F

b)

London Dispersion Forces

2.

Present in both Polar and Non Polar Molecules

c)

Dipole- Dipole

3.

Polar Substances only

26.

________________________ have the strongest intermolecular forces of attraction.

a)

Dipole- Dipole

b)

Dispersion

c)

Hydrogen Bonds

27.

Intermolecular forces are attractions between ______.

a)

Cations and anions

b)

Atoms within a molecule

c)

Neighboring molecules

d)

Protons and electrons

28.
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

29.
Attractions between water molecules are called
a)
Covalent bonds
b)
Ionic bonds
c)
Polar bonds
d)
Hydrogen bonds
30.

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

31.

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

32.

Intermolecular forces are attractions between ______.

a)

Cations and anions

b)

Atoms within a molecule

c)

Neighboring molecules

d)

Protons and electrons

33.
Will this molecule be polar or nonpolar? CCl4
a)
polar
b)
nonpolar
34.
Will this molecule be polar or nonpolar? PH3
a)
polar
b)
nonpolar
35.
Which of the following does NOT contain hydrogen bonding?
a)
NH3
b)
H2O
c)
CF4
d)
HOF
36.
Which IMF contains a temporary dipole?
a)
London Dispersion Forces
b)
Dipole Dipole
c)
Hydrogen Bonding
d)
Both London Dispersion Forces and Dipole Dipole
37.
Which IMF is the predominant IMF for non-polar molecules?
a)
London Dispersion Forces
b)
Dipole Dipole
c)
Hydrogen Bonding
d)
Both Dipole Dipole and Hydrogen Bonding
38.
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
39.

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

40.

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

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