Organic Chemistry quizzes
How the shape of organic molecules affects their properties, including why mirror-image molecules can smell different.
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From Organic Chemistry: Why Mirror-Image Molecules Smell Different
Ethane is a gas, but ethanol, with one OH group added, is a liquid that mixes with water. Why?
- The OH group forms hydrogen bonds
- The OH group makes it fully ionic
- Ethanol has many more carbon atoms
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Answer: The OH group forms hydrogen bonds
The polar OH lets ethanol molecules hydrogen-bond to each other and to water, raising its boiling point and solubility.
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