Choose the compound in which hydrogen bonding is not possible:
Correct answer: D. CH3OCH3
- A. H2O
- B. HCl
- C. CH3COOH
- D. CH3OCH3
Explanation
Due to the presence of methyl groups that bounds to oxygen there is less tendency of hydrogen bonding in ethers.Also, it does not have hydrogen attached to oxygen, so it cannot form hydrogen bonds with itself.The carboxylic acid, alcohol and water being polar show H-bonding. Option A is correct.
This question appeared on the ETEA MDCAT 2012 paper, which you can sit online with every answer explained.
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About Hydrogen Bonding
Hydrogen bonding is the strong attraction between hydrogen attached to nitrogen, oxygen or fluorine and an electronegative atom in the same or another molecule. It explains unusual boiling points, viscosity, surface tension, water's properties and the difference between intermolecular and intramolecular hydrogen bonding.
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