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Intermolecular Forces

Total questions: 20

Worksheet time: 20mins

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.
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
3.
Does HF have hydrogen bonding?
a)
yes
b)
no
4.
Does HCl have hydrogen bonding?
a)
yes
b)
no
5.
Does CH4 have hydrogen bonding?
a)
yes
b)
no
6.
Which is the second strongest intermolecular force, after hydrogen bonding?
a)
dipole-dipole attraction
b)
London forces
7.
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
8.

Which substance would have the weakest intermolecular forces of attraction?

a)

CH4

b)

NaCl

c)

H2O

d)

MgF2

9.

________________________ have the strongest intermolecular forces of attraction.

a)

Dipole- Dipole

b)

Dispersion

c)

Hydrogen Bonds

10.

Intermolecular forces for: NH3

a)

Dispersion Force

b)

Dipole dipole

c)

Hydrogen bonding

11.
Intermolecular force present in HCl?
a)
dipole dipole
b)
dispersion
c)
H-bond
d)
ionic
12.

what is the intermolecular forces in H2 ?

a)

London dispersion forces

b)

Dipole - Dipole

c)

Hydrogen bonding

d)

covalent bonding

13.

what is the intermolecular forces in CH4 ?

a)

London dispersion forces

b)

Dipole - Dipole

c)

Hydrogen bonding

d)

covalent bonding

14.

Which of the following has the highest boiling point?

a)

H2

b)

F2

c)

Cl2

d)

O2

15.

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

16.

 In general, substances with stronger intermolecular forces have ________ boiling points than those with weaker forces

a)

Higher

b)

The same

c)

Lower

17.

Identify the IMF exist in HBr

a)

london dispersion forces

b)

hydrogen bonding

c)

dipole-dipole forces

d)

ion-dipole forces

18.

Which of the following molecules is the weakest?

a)

F2

b)

H2O

c)

HCl

d)

SO2

19.

To form a hydrogen bonding, Hydrogen needs to attract to the highly electronegative elements such us _____, _____, and ____

a)

chlorine, fluorine, and oxygen

b)

fluorine, oxygen, and sulfur

c)

fluorine, bromine, and oxygen

d)

fluorine, oxygen, and nitrogen

20.

Intermolecular forces for: NH3

a)

Dispersion Force

b)

Dipole dipole

c)

Hydrogen bonding

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