An ether is more volatile than an alcohol having the same molecular formula. This is due to

  • Option 1)

    dipolar character of ethers

  • Option 2)

    alcohols having resonance structures

  • Option 3)

    inter-­molecular hydrogen bonding in ethers

  • Option 4)

    inter-­molecular hydrogen bonding in alcohols.

 

Answers (1)

As we learnt in

Physical properties of ether -

–  Insoluble in water except dimethyl ether.

–  Show dipole moment due to  C - O polar bond.

–  Boiling points of ether are lower than isomeric alcohol.Due to the presence of H-bonding in alcohol.

-

 

 In ether there is no inermolecular hydrogen bond, whereas in alcohol intermolecular hydrogen bond is present which makes them less volatile and have high boiling point.


Option 1)

dipolar character of ethers

This option is incorrect

Option 2)

alcohols having resonance structures

This option is incorrect

Option 3)

inter-­molecular hydrogen bonding in ethers

This option is incorrect

Option 4)

inter-­molecular hydrogen bonding in alcohols.

This option is correct

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