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Ethanol has a higher boiling point than dimethyl ether though they have the same molecular weight. This is due to :
- a)resonance
- b)coordinate bonding
- c)hydrogen bonding
- d)ionic bonding
Correct answer is option 'C'. Can you explain this answer?
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Ethanol has a higher boiling point than dimethyl ether though they hav...
⇒ due to intermolecular H-bond, it has higher b.p. than CH3OCH3
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Ethanol has a higher boiling point than dimethyl ether though they hav...
Explanation:
Hydrogen bonding:
- The higher boiling point of ethanol compared to dimethyl ether can be attributed to hydrogen bonding.
- Ethanol molecules have the capability to form hydrogen bonds due to the presence of the hydroxyl (-OH) functional group.
- Hydrogen bonding occurs between the hydrogen atom of one ethanol molecule and the oxygen atom of another ethanol molecule.
- This intermolecular force of attraction results in stronger interactions between ethanol molecules, requiring more energy to break these bonds and vaporize the liquid.
Dimethyl ether:
- Dimethyl ether, on the other hand, does not have hydrogen bonding capabilities as it lacks the necessary functional groups.
- Without hydrogen bonding, dimethyl ether molecules experience weaker intermolecular forces compared to ethanol.
- As a result, dimethyl ether has a lower boiling point since it requires less energy to overcome these weaker forces and transition from a liquid to a gas.
Therefore, the presence of hydrogen bonding in ethanol leads to a higher boiling point compared to dimethyl ether, despite both having the same molecular weight.
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Ethanol has a higher boiling point than dimethyl ether though they have the same molecular weight. This is due to :a)resonanceb)coordinate bondingc)hydrogen bondingd)ionic bondingCorrect answer is option 'C'. Can you explain this answer?
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