1. Which of the following colligative properties is used to measure the molecular weight of a solute?
    • A) Freezing point depression
    • B) Boiling point elevation
    • C) Osmotic pressure
    • D) Vapor pressure lowering
    • Answer: C) Osmotic pressure
  2. What is the van ‘t Hoff factor for glucose in solution?
    • A) 1
    • B) 2
    • C) 3
    • D) 4
    • Answer: A) 1
  3. Which of the following equations is used to calculate the osmotic pressure of a solution?
    • A) π = i × C × R × T
    • B) ΔT_b = K_b × m
    • C) ΔT_f = K_f × m
    • D) P = P_0 × X_solvent
    • Answer: A) π = i × C × R × T
  4. Which of the following will have the greatest impact on the boiling point elevation of a solution?
    • A) High molar mass of solute
    • B) High concentration of solute
    • C) Low temperature
    • D) Low concentration of solute
    • Answer: B) High concentration of solute
  5. What effect does the addition of a non-volatile solute have on the boiling point of a solution?
    • A) Decreases the boiling point
    • B) Increases the boiling point
    • C) No effect on the boiling point
    • D) Fluctuates the boiling point
    • Answer: B) Increases the boiling point
  6. Which factor most significantly affects the freezing point depression of a solution?
    • A) The color of the solute
    • B) The concentration of solute particles
    • C) The volume of the solution
    • D) The density of the solute
    • Answer: B) The concentration of solute particles
  7. What is the effect of adding a solute to a solvent on the freezing point of the solution?
    • A) The freezing point increases
    • B) The freezing point decreases
    • C) The freezing point remains constant
    • D) The freezing point fluctuates
    • Answer: B) The freezing point decreases
  8. Which of the following statements best describes an ideal solution?
    • A) A solution that obeys Raoult’s law at all concentrations.
    • B) A solution that exhibits unusual colligative properties.
    • C) A solution where solute-solvent interactions are stronger than solute-solute interactions.
    • D) A solution where solute-solvent interactions are weaker than solvent-solvent interactions.
    • Answer: A) A solution that obeys Raoult’s law at all concentrations.
  9. Which property of a solution is not considered a colligative property?
    • A) Boiling point elevation
    • B) Freezing point depression
    • C) Osmotic pressure
    • D) Color change
    • Answer: D) Color change
  10. Which solution would exhibit the lowest osmotic pressure?
    • A) 0.1 M NaCl
    • B) 0.1 M KCl
    • C) 0.1 M Glucose
    • D) 0.1 M Na2SO4
    • Answer: C) 0.1 M Glucose
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