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Why is there a large difference in the b...

Why is there a large difference in the boiling points of butanal and butan-1-ol ?

Text Solution

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Butan -1-ol has boilinng point due to intermolecular hydrogen bonding .
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Suggest a reason for the larger differenece between boiling points of butanol and butanal, although they have almost the same solubility in water.

Large difference in boiling points is observed in

Arrange the following compounds in the order of increasing boiling points: Ethanol, Propan-1-ol, Butan-1-ol, Butan-2-ol

Arrange the following sets of compounds in order of their increasing boiling points : (a) Pentan-1-ol, butan-1-ol, butan-2-ol, ethanol, propan-1-ol, methanol, (b) Pentan-1-ol, n-butane, pentanal, ethoxy ethane.

Knowledge Check

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

    A
    intermolecular hydrogen bonding in butan -1-ol
    B
    intramolecular hydrogen bonding in butanal
    C
    higher molecular mass of butan-1-ol
    D
    resonance shown by butanal .

  • Large difference in boiling points is observed in

    A
    N and P
    B
    P and As
    C
    As and Sb
    D
    Sb and Bi

  • How do the boiling points of butane, propane and ethane compare?

    A
    The boiling point of ethane is greatest
    B
    The boiling point of butane is greatest
    C
    The boiling point of propane is greatest
    D
    There is no relationship among these three alkanes and their boiling points
    • MODERN PUBLICATION-ALDEHYDES ,KETONES AND CARBOXYLIC ACIDS-NCERT FILE (NCERT EXEMPLAR PROBLEMS ) (SHORT ANSWER TYPE QUESTIONS )
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