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Polarity/IMF Practice 1

Total questions: 20

Worksheet time: 14mins

Name
Class
Date
1.

Is this molecule polar or non-polar?

a)

Polar

b)

Non-polar

2.

Is this molecule polar or non-polar?

a)

Polar

b)

Non-polar

3.

Is this molecule polar or non-polar?

a)

Non-polar

b)

Polar

4.

Is this molecule polar or non-polar?

a)

Non-polar

b)

Polar

5.

Is this molecule polar or non-polar?

a)

Polar

b)

Non-polar

6.
Will this molecule be polar or nonpolar? CCl4
a)
polar
b)
nonpolar
7.
Will this molecule be polar or nonpolar? H2S
a)
polar
b)
nonpolar
8.

Classify the following molecule.

a)

polar

b)

nonpolar

9.

Classify the following molecule as polar or nonpolar: HCl

a)

Polar

b)

Nonpolar

10.

Classify the following molecule as polar or nonpolar: F2

a)

Polar

b)

Nonpolar

11.

Is the following molecule polar or nonpolar?

a)

polar because there are different types of elements bonded to the central atom

b)

nonpolar because the central atom has no lone pairs of electrons

c)

polar because the central atom has a lone pair of electrons

d)

nonpolar because there are no lone pairs on the central atom and the atoms bonded to the central atom are all the same

12.
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.
13.
Does HCl have hydrogen bonding?
a)
yes
b)
no
14.
Does CH4 have hydrogen bonding?
a)
yes
b)
no
15.
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
16.

Which substance would have the weakest intermolecular forces of attraction?

a)

CH4

b)

NaCl

c)

H2O

d)

MgF2

17.

Intermolecular forces for: NH3

a)

Dispersion Force

b)

Dipole dipole

c)

Hydrogen bonding

18.
Intermolecular force present in HCl?
a)
dipole dipole
b)
dispersion
c)
H-bond
d)
ionic
19.
Ionic Bonding involves...
a)
The transfer of protons
b)
The transfer of nuetrons 
c)
The transfer of electrons
d)
None Of the above
20.

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