why do primary alcohols have higher boiling points than secondary and tertiary? thnx

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ah4p
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and do secondary have higher boiling points than tertiary?

thnx
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Laurasaur
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(Original post by ah4p)
and do secondary have higher boiling points than tertiary?

thnx
The hydroxyl group of a primary alcohol is more “exposed” than it is in a secondary alcohol (which is flanked by two bulky alkyl groups), so it will be better able to hydrogen bond with other alcohols (the same goes for secondary vs tertiary alcohols). And better hydrogen bonding means the intermolecular forces take more energy to overcome, thus a higher boiling point.
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ah4p
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(Original post by Laurasaur)
The hydroxyl group of a primary alcohol is more “exposed” than it is in a secondary alcohol (which is flanked by two bulky alkyl groups), so it will be better able to hydrogen bond with other alcohols (the same goes for secondary vs tertiary alcohols). And better hydrogen bonding means the intermolecular forces take more energy to overcome, thus a higher boiling point.
thank you
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