A Solution Composed of 5 Moles of Acetone (CH₃COCH₃, P°A

question 18

Multiple Choice

A solution composed of 5 moles of acetone (CH₃COCH₃, P°A = 324 mmHg) and 5 moles of chloroform (CHCl₃, P°C = 274 mmHg) has a vapor pressure of 236 mmHg. Which one of the following statements is completely true about this solution?

• A) The solution shows a negative deviation from Raoult's law and thus possesses a maximum boiling azeotrope.
• B) The solution process is exothermic because the forces between unlike molecules are weaker than those between like molecules.
• C) The solution shows a positive deviation from Raoult's law.
• D) The solution possesses a minimum boiling azeotrope because it shows a negative deviation from Raoult's law.
• E) The solution obeys Raoult's Law.

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