Heterocyclic Chemistry: Pyrrole, Furan, and Thiophene
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Questions and Answers

Which heterocycle has the highest boiling point?

  • Thiophene
  • Pyrrole (correct)
  • Oxygen
  • Furan
  • What is the general state of pyrrole, furan, and thiophene at room temperature?

  • Colorless liquids (correct)
  • Colorless solids
  • Colored gases
  • Colorless powders
  • What is the main reason for the high boiling point of pyrrole?

  • Intermolecular hydrogen bonding (correct)
  • Electrophilic substitution
  • Presence of oxygen atom
  • Aromaticity
  • Which atom exhibits the highest positive charge in heterocyclic chemistry?

    <p>Sulfur (S+)</p> Signup and view all the answers

    What type of reaction do pyrrole, furan, and thiophene tend to undergo?

    <p>Electrophilic substitution</p> Signup and view all the answers

    Study Notes

    Heterocyclic Compounds

    • Pyrrole has the highest boiling point among the heterocycles.

    Physical State at Room Temperature

    • Pyrrole, furan, and thiophene are liquids at room temperature.

    Boiling Point of Pyrrole

    • The high boiling point of pyrrole is due to its ability to form hydrogen bonds.

    Charge Distribution in Heterocycles

    • The nitrogen atom exhibits the highest positive charge in heterocyclic chemistry.

    Reactions of Heterocycles

    • Pyrrole, furan, and thiophene tend to undergo electrophilic substitution reactions.

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    Description

    Test your knowledge of heterocyclic chemistry with a focus on the general characteristics of pyrrole, furan, and thiophene. Explore their boiling points, intermolecular hydrogen bonding, and aromaticity.

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