WorksheetsTheory of Colligative Properties
Total questions: 15
Worksheet time: 11mins
Name
Class
Date
1.
When KCl (potassium chloride) is dissolved in water, how many particles are in solution for each unit?
a)
1
b)
2
c)
3
d)
4
e)
6
2.
Colligative properties depend on the _________ of the solute but not the __________ of the solute.
a)
concentration; identity
b)
identity; concentration
c)
reactivity; nature
d)
nature; reactivity
3.
The freezing point of water is...
a)
100oC
b)
0oC
c)
-10oC
d)
150oC
4.
When a solid reaches the temperatures of its ___, it can become a liquid.
a)
melting point
b)
freezing point
c)
boiling point
d)
density
5.
What is happening at the boiling point?
a)
liquid to gas
b)
gas to liquid
c)
solid to liquid
d)
liquid to solid
6.
Colligative properties depend on the _________ of the solute but not the __________ of the solute.
a)
concentration; identity
b)
identity; concentration
c)
reactivity; nature
d)
nature; reactivity
7.
When CaBr2 is dissolved in water, how many particles will be in solution for each unit?
a)
1
b)
2
c)
3
d)
4
e)
5
8.
Colligative properties depend on the _____ of solute particles in solution.
a)
type
b)
number
c)
pH
d)
nature
9.
The van't Hoff factor measures the number of particles formed in solution. What is the van't Hoff factor for the compound Na2SO4?
a)
1
b)
3
c)
5
d)
7
10.
Which of the following compounds have a van’t Hoff factor of 3 or higher?
a)
CO
b)
BaCl2
c)
Na3PO4
d)
NH4OH
e)
NH3
11.
Covalent/molecular species always have a van’t Hoff factor of (a) .
12.
The freezing point of a solution is ____ the freezing point of the pure solvent.
a)
the same as
b)
lower than
c)
higher than
d)
no relation to
13.
The boiling point of a solution is ______ the boiling point of the pure solvent.
a)
higher than
b)
the same as
c)
lower than
d)
higher or lower than
14.
Vant hoff number of acetic acid is below of one because acetic acid is non electrolyte
a)
True
b)
False
15.
When CO(NH2)2 is dissolved in water, how many particles will be in solution for each unit?
a)
0
b)
1
c)
2
d)
3
e)
4
100 %
