Methods of Preparing Ethers Quiz
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Questions and Answers

How are symmetrical ethers prepared according to the text?

  • By halogenating ethanol
  • By adding excess water to alcohol
  • By reacting diethyl ether with oxonium salts
  • By dehydrating alcohol with conc. H₂SO₄ at 140°C (correct)

    • What is the first step in the mechanism of symmetrical ether formation?

  • Protonation of ethanol (correct)
  • Formation of carbonium ion
  • Halogenation of ethanol
  • Elimination of water molecule

    • At what temperature is the dehydration of alcohol to form symmetrical ethers carried out?

  • 140°C (correct)
  • 80°C
  • 100°C
  • 200°C

    • What is the product obtained from the halogenation of ethanol?

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

    How do ethers react with oxonium salts according to the text?

    <p>By producing oxonium ethers</p> Signup and view all the answers

    What role does H₂SO₄ play in the preparation of symmetrical ethers?

    <p>Reactant for protonation</p> Signup and view all the answers

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