Why is the boiling point of pure ethanol (CH3CH2OH) higher than pure water (H20)?

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Why is the boiling point of pure ethanol (CH3CH2OH) higher than pure water (H20)?

2007-09-29 06:00:28 · 2 answers · asked by sciencenerd 2 in Science & Mathematics ➔ Chemistry

Sorry, I meant it the other way around, why is does ethanol have a lower boiling point than water?

2007-09-29 06:13:53 · update #1

2 answers

I believe you have your numbers in reverse order. Ethanol boils at a lower temperature. However, you cannot distill pure ethanol from a water-ethanol solution because an "azeotrope", or a pseudo-compound is formed which has a boiling point higher than both components.

2007-09-29 06:05:08 · answer #1 · answered by cattbarf 7 · 0⤊ 0⤋

it's lower not higher

2007-09-29 13:09:08 · answer #2 · answered by Raven 3 · 0⤊ 0⤋