Ethers and IUPAC Naming

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Questions and Answers

Which functional group is present in ethers?

  • –O– (correct)
  • –COOH
  • –OH
  • –NH2

Why do ethers have quite low boiling points compared to alcohols of comparable molar mass?

  • Due to the presence of OH group
  • Due to lack of intermolecular hydrogen bonding (correct)
  • Due to intermolecular hydrogen bonding
  • Due to the presence of COOH group

What was the initial use of diethyl ether?

  • As a colorless, volatile liquid
  • As a primary compound for resins
  • As an anesthetic (correct)
  • As a solvent for fats

What is the most widely used compound among ethers?

<p>Diethyl ether (A)</p> Signup and view all the answers

How are the two branches connected to the oxygen atom named in common names for ethers?

<p>They are followed by 'ether' (A)</p> Signup and view all the answers

Flashcards

Ethers functional group

An oxygen atom connected to two alkyl or aryl groups. (R-O-R')

Why ethers have low boiling points

Ethers lack -OH groups for hydrogen bonding, resulting in only weak dipole-dipole interactions.

Initial use of diethyl ether

Diethyl ether was historically used, reducing pain during surgical procedures.

Most widely used ether

Due to its solvent properties and relatively low boiling point, diethyl ether is very common.

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Naming branches in ethers

Name each group attached to the oxygen atom, followed by 'ether'. Example: ethyl methyl ether

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Study Notes

Ethers

  • The functional group present in ethers is an ether linkage (R-O-R').
  • Ethers have low boiling points compared to alcohols of comparable molar mass because they cannot form hydrogen bonds with each other, only with water.
  • Diethyl ether was initially used as an anesthetic.
  • Diethyl ether is the most widely used compound among ethers.
  • In common names for ethers, the two branches connected to the oxygen atom are named as separate words, with the oxygen atom not mentioned.

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