You are given the following boiling point data. Which of the liquids would you expect to have the highest vapor pressure at room temperature?
A. Ethanol, C₂H₅OH 78.5 °C
B. Ethylene glycol, C₂H₄(OH)₂ 198.0 °C
C. Diethyl ether, C₃H₁₀O₂ 34.5 °C
D. Water, H₂O 100.0 °C
E. Methanol, CH₃OH 64.96 °C