There is a large difference in the boiling points of butanal and butan-1-ol due to:

intermolecular hydrogen bonding in butan-1ol

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intramolecular hydrogen bonding in butanal

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higher molecular mass of butan-1-ol

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resonance shown by butanal.

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Solution

The correct option is A intermolecular hydrogen bonding in butan-1ol
Butan-1-ol has intermolecular hydrogen binding while Butanal no such advantage so there is a large difference in boiling point.
Butan-1-ol has one hydrogen attached to oxygen so it can form hydrogen bond while Butanal cann't.

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Similar questions

Q. Assertion :Boiling point of p-nitrophenol is greater than that of o-nitrophenol. Reason: There is intramolecular hydrogen bonding in p-nitrophenol and intermolecular hydrogen bonding in o-nitrophenol.

Arrange the following compounds in increasing order of boiling point. Propan - 1 - ol, butan - 1 - ol, butan - 2 - ol, pentan - 1 - ol
(a) Propan-1-ol, butan-2-ol, butan - 1 - ol, pentan-1-o|
(b) Propan-1-ol, butan - 1 - ol, butan-2-ol, pentan-1-ol
(c) Propan-1-ol, butan-2-ol, butan-1-ol, pentan-1-ol
(d) Propan-1-ol, butan-1-ol, butan-2-ol, pentan-1-ol

Q. Out of butane, butan-1-ol, butanal, and butanone, the decreasing order of their boiling point is:

Q. Arrange the following compounds in increasing order of boiling points . Propan-1-ol , butan-1-ol , butan-2-ol, pentan-1-ol.

Q. Ortho-nitrophenol is steam volatile whereas para-nitrophenol is not. This is due to

1.

Intramolecular hydrogen bonding present in ortho-nitrophenol

2.

Intermolecular hydrogen bonding present in para-nitrophenol

3.

Intramolecular hydrogen bonding present in para-nitrophenol

4.

Inter-molecular hydrogen bonding present in ortho-nitrophenol.

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There is a large difference in the boiling points of butanal and butan-1-ol due to:

The correct option is A intermolecular hydrogen bonding in butan-1olButan-1-ol has intermolecular hydrogen binding while Butanal no such advantage so there is a large difference in boiling point.Butan-1-ol has one hydrogen attached to oxygen so it can form hydrogen bond while Butanal cann't.

The correct option is A intermolecular hydrogen bonding in butan-1ol
Butan-1-ol has intermolecular hydrogen binding while Butanal no such advantage so there is a large difference in boiling point.
Butan-1-ol has one hydrogen attached to oxygen so it can form hydrogen bond while Butanal cann't.