Butane has a _______ boiling point to that of propanol.
A
higher
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B
similar
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C
lower
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D
none of these
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Solution
The correct option is D lower The molecules of butane are held together by weak vander Waals forces of attraction, while those of propanol are held together by stronger intermolecular hydrogen bonding. Therefore, the boiling point of propanol is much higher than of butane.