AP QUIZZES - AP TOPIC 17 Colligative Properties SET D
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QUESTION 1. Which of the following statements is FALSE?

(A) Ionic solutes dissociate in solution causing the enhancement of colligative properties
(B) The vapor pressure of a solvent above a solution is less than the vapor pressure of the pure solvent
(C) Freezing Point is lowered on addition of a solute to a solvent
(D) The vapor pressure of a solvent increases as its mole fraction increases
(E) None of the above

QUESTION 2. Which of the following 0.1 M solutions will have the highest boiling point?

(A) Lead (II) nitrate
(B) Ethanol
(C) Ethanoic Acid
(D) Sodium ethanoate
(E) Sodium nitrate

QUESTION 3. What are the most likely units of the molal freezing point constant of a solvent?

(A) M
(B) oC
(C) m
(D) oC m
(E) oC m-1

QUESTION 4. At 25.0 oC the osmotic pressure of a 0.0100 M solution of a compound is 0.466 atm. Calculate the approximate van't Hoff factor.

(A) 1.00
(B) 2.00
(C) 3.00
(D) 4.00
(E) 5.00

QUESTION 5. Which compound is most likely to be present in the solution in question #4 above?

(A) Magnesium Chloride
(B) Ethanoic Acid
(C) Ethanol
(D) Aluminum Nitrate
(E) Potassium nitrate




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