The boiling point of water, ethanol, toluene and butan-2-ol are 373.0k, 351.3k, 383.6k and 372.5k respectively. Which liquid has the highest vapour pressure at 323.0k?

  • A water
  • B toluene
  • C ethanol
  • D butan-2-ol
  • E none

The correct answer is C. ethanol

No explanation given
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