1. Which of the following compounds is a non-electrolyte when dissolved in water? a. sodium chloride c. copper sulfate b. calcium chloride d. sugar 2. Which of the following is NOT a colligative property? a. molality c. boiling-point elevation b. vapor-pressure lowering d. osmotic pressure 3. Consider a 0.01 M aqueous solution of KCI. How will the vapor pressure of this solution compare with the vapor pressure of pure liquid water? a. it will be higher c. it will be the same b. it will be lower d. there is no enough information provided 4. Which of the following will have the lowest freezing-point temperature? a. a 0.01 M aqueous solution of NaCI b. a 0.01 M aqueous solution of BaCl2 c. a 0.01 M aqueous solution of KBr d. a 0.01 M aqueous solution of FeCl3 5. All the following statements are incorrect except... a. When a solute is added to the solvent, the vapor pressure of the solvent above the resulting solution is lower than the vapor pressure above the pure solvent. b. When a solute is added to the solvent, the boiling point of the resulting solutíon ís lower than the boiling poínt of pure solvent. c. When a solute is added to the solvent, volume measurement is taken to calculate for the freezing point depression. d. All the given statements are true.
1. Which of the following compounds is a non-electrolyte when dissolved in water? a. sodium chloride c. copper sulfate b. calcium chloride d. sugar 2. Which of the following is NOT a colligative property? a. molality c. boiling-point elevation b. vapor-pressure lowering d. osmotic pressure 3. Consider a 0.01 M aqueous solution of KCI. How will the vapor pressure of this solution compare with the vapor pressure of pure liquid water? a. it will be higher c. it will be the same b. it will be lower d. there is no enough information provided 4. Which of the following will have the lowest freezing-point temperature? a. a 0.01 M aqueous solution of NaCI b. a 0.01 M aqueous solution of BaCl2 c. a 0.01 M aqueous solution of KBr d. a 0.01 M aqueous solution of FeCl3 5. All the following statements are incorrect except... a. When a solute is added to the solvent, the vapor pressure of the solvent above the resulting solution is lower than the vapor pressure above the pure solvent. b. When a solute is added to the solvent, the boiling point of the resulting solutíon ís lower than the boiling poínt of pure solvent. c. When a solute is added to the solvent, volume measurement is taken to calculate for the freezing point depression. d. All the given statements are true.
Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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Transcribed Image Text:1. Which of the following compounds is a non-electrolyte when dissolved in
water?
a. sodium chloride
c. copper sulfate
b. calcium chloride
d. sugar
2. Which of the following is NOT a colligative property?
a. molality
c. boiling-point elevation
b. vapor-pressure lowering
d. osmotic pressure
3. Consider a 0.01 M aqueous solution of KCI. How will the vapor pressure of
this solution compare with the vapor pressure of pure liquid water?
a. it will be higher
c. it will be the same
b. it will be lower
d. there is no enough information provided
4. Which of the following will have the lowest freezing-point temperature?
a. a 0.01 M aqueous solution of NaCl
b. a 0.01 M aqueous solution of BaCl2
c. a 0.01 M aqueous solution of KBr
d. a 0.01 M aqueous solution of FeCla
5. All the following statements are incorrect except...
a. When a solute is added to the solvent, the vapor pressure of the solvent
above the resulting solution is lower than the vapor pressure above the
pure solvent.
b. When a solute is added to the solvent, the boiling point of the resulting
solutíon ís lower than the boiling point of pure solvent.
c. When a solute is added to the solvent, volume measurement is taken to
calculate for the freezing point depression.
d. All the given statements are true.
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