How Do Ether and Alcohol Differ in Physical Properties?

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SUMMARY

Ether and alcohol differ significantly in their physical properties, particularly boiling points and flammability. Diethyl ether, a common ether, has a lower boiling point than ethanol, a typical alcohol. To differentiate between them, one can heat each substance in separate flasks using a steam bath to measure their boiling points accurately. Additionally, other properties such as acidity, viscosity, and miscibility can also be utilized for comparison.

PREREQUISITES
  • Understanding of organic chemistry functional groups, specifically -OH for alcohols and R-O-R for ethers.
  • Familiarity with laboratory safety protocols, particularly regarding flammable substances.
  • Knowledge of boiling point determination techniques in a laboratory setting.
  • Basic skills in handling laboratory equipment such as thermometers and steam baths.
NEXT STEPS
  • Research the boiling point differences between diethyl ether and ethanol.
  • Learn about laboratory techniques for measuring boiling points safely.
  • Investigate the physical properties of other common ethers and alcohols.
  • Explore the implications of miscibility and viscosity in chemical applications.
USEFUL FOR

Chemistry students, laboratory technicians, and anyone interested in the physical properties of organic compounds will benefit from this discussion.

DespicableMe
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What are similiarities between ether and alcohol and how can we use at least 2 physical properties to differentiate between them?

For ex, alcohol has a higher boiling point, so what "procedure" would I follow to test the boiling points to find out which is which.
 
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First of all, when you say ether, I assume you mean diethyl ether; however, a general ether is any molecule with a bridging oxygen atom: R-O-R. Likewise, a general alcohol is any molecule with the functional group -OH, but 'alcohol' often just refers to ethanol.

As far as similarities go, what sort of answers are you looking for here? There are molecular and electronic similarities, or similarities in physical properties (for example, both ethanol and diethyl ether are colorless liquids at room temperature).

Boiling point is a good example of a difference in physical property. If you had two flasks, one containing diethyl ether and one containing ethanol, you would gently heat each flask with a thermometer (never use a Bunsen burner to heat diethyl ether-- use a steam bath instead, as it is highly flammable). Since boiling is a cooling process, once the liquid reaches its boiling point, the temperature will remain constant.

Other physical properties that could be tested are acidity, viscosity, miscibility with other liquids, etc.
 

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