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WorksheetsQuiz 1 : Colligative Properties
Total questions: 20
Worksheet time: 31mins
Which of these is a correct colligative property?
Boiling point depression
Vapor pressure lowering
Freezing point elevation
Vapor pressure elevation
Colligative properties of solutions are those properties that depend on ___
the number of solute only
the nature of solute only
both the number and nature of solute
The freezing point of a solution is ___________ that of a pure solvent
more than
equal to
less than
Boiling point of electrolyte solution is ____
lower than non electrolyte ones
as much as non electrolyte ones
higher than non electrolyte ones
Colligative properties depend on the _____ of solute particles in solution.
Type
pH
Number
Nature
Which of the following concentration is not used to calculate colligative property?
Molarity
Molality
Normality
Mole Fraction
A solution of 1 m is containing of 1 mole of solutes in ___
1 kg of solvent
1 g of solvent
1 L of solvent
1 mL of solvent
Which part in the diagram describes freezing point depression?
A - B
C - D
E - F
D - G
Following is the application of colligative properties in daily life:
(1) Using of intravenous fluid in hospital
(2) Making an ice cream
(3) Using of eye drops
(4) Antifreeze on snowy road
(5) Kill the leech using a salt
A pair of application of freezing point depression is ...
(1) and (3)
(1) and (4)
(2) and (3)
(2) and (4)
(3) and (5)
Ionization degree of weak electrolytes is ...
0
between 0 and 1
1
Amount of ion in CaCl2 is ...
1
2
3
4
3 g of urea (Mr = 60) is dissolved in 200 mL of solution. The molarity of solution formed is ...
0.125 M
0.25 M
0.5 M
1 M
18 grams of glucose (Mr = 180) is dissolved in 7.2 grams of water. Mole fraction of glucose is ...
0.2
0.4
0.6
0.8
Mole fraction of urea in the water is 0.2. Vapor pressure of pure solvent at 20oC is 17.5 mmHg. Vapor pressure of solution at that temperature is ...
16 mmHg
15 mmHg
14 mmHg
13 mmHg
To elevate boiling point of water as much as 250 gram become 100.1oC at 1 atm (Kb=0.5), amount of sugar (Mr=342) that must be dissolved is ...
16.3 gram
18.9 gram
17.1 gram
15.2 gram
20.5 gram
Adding of 5.4 grams of non-electrolyte solute in 300 gram of water can decrease freezing point of solution by 0.24 oC. If Kf of water = 1.8 oC/m, Mr of solute is ...
8
12
60
135
As much as 6.84 grams of sucrose (Mr = 342) is dissolved in a water to form 100 mL solution at 27oC. If R = 0.082 L atm/mol K, osmotic pressure of the solution is ...
0.984
4.92
9.84
19.84
Which solution below has the highest boiling point?
NaCl 1 m
CaCl2 1 m
C6H12O6 1 m
AlCl3 1 m
Which one of the following diagrams has the lowest vapor pressure?
1
2
3
4
5
142 g of sodium sulfate, Na2SO4, are dissolved in 875 g of H2O. (Assume 100% ionization)
What will be the freezing point of the resulting solution?
(Mr Na2SO4 = 142; Kf =1.86)
−4.3 oC
−4.5 oC
−3.8 oC
−6.4 oC
