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Question
Why is there a large difference in the boiling points of butanal and butan-1-ol?
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Solution
Butan-1 -ol has higher boiling point (391 K) than butanal due to intermolecular hydrogen bonding between –OH groups of alcohols.
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\[\begin{array}{cc}
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\[\begin{array}{cc}
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\phantom{...............}|\\
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