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Why does the antifreeze ethylene glycol, HO-CH2-CH2-OH, molar mass 62.07 g/mol, have a much higher higher boiling...

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Chemistry

Why does the antifreeze ethylene glycol,HO-CH2-CH2-OH, molar mass 62.07 g/mol, have a much higher higherboiling point (197.6°C) than propanol (97.4°C), CH3-CH3-CH2-OH,molar mass 60.09 g/mol, even though they have similar molarmasses?

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3.9 Ratings (494 Votes)
1 Boiling Point Its the temperature at which vapour pressure of liquid matches the atmospheric pressure 2 From above definition of BP it follows that lower the vapour    See Answer
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