Which of the following would be expected to have the lowest vapor pressure at room temperature?
A)ethanol, bp = 78°C
B)methanol, bp = 65°C
C)water, bp = 100°C
D)acetone, bp = 56°C

Question

Quizplus · Accepted Answer

The substance with the highest boiling point, water in this case, is expected to have the lowest vapor pressure at room temperature. This is because substances with high boiling points have strong intermolecular forces that hold them together as a liquid, making it harder for them to escape into the gas phase.

Which of the Following Would Be Expected to Have the Lowest