Thiazole: Properties and Structure
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Questions and Answers

What is the boiling point range of thiazole?

  • 120-122°C
  • 105-108°C
  • 116-118°C (correct)
  • 100-102°C
  • Which of the following statements is true about the solubility of thiazole?

  • Insoluble in alcohol.
  • Sparingly soluble in water. (correct)
  • Insoluble in ether.
  • Soluble in water.
  • What is the molecular formula of thiazole?

  • C2H2NOS
  • C3H3N2S
  • C3H3NS (correct)
  • C4H4NS
  • Which atom in thiazole is labeled as atom 1?

    <p>Sulphur</p> Signup and view all the answers

    How many double bonds are present in the structural formula of thiazole?

    <p>2</p> Signup and view all the answers

    Study Notes

    Physical Properties of Thiazole

    • Thiazole is a clear to pale yellow liquid.
    • It has an odor similar to pyridine.
    • Boiling point: 116-118°C.
    • Specific gravity: 1.2.
    • Solubility: sparingly soluble in water, soluble in alcohol and ether.

    Structural Formula of Thiazole

    • Thiazole has a 5-membered ring structure with atom numbers labelled 1-5.
    • Atom composition: S (1), C (2, 3, 5), N (4).
    • Nitrogen and sulfur atoms are adjacent to each other.
    • Bonding:
      • Double bond between C2 and C3.
      • Double bond between C3 and N4 (indicated by a line).
      • Double bond between C5 and S1.
      • Single bonds between every carbon and nitrogen atom to a hydrogen atom (not shown).

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    Description

    Learn about the physical and chemical properties of Thiazole, a heterocyclic compound, including its boiling point, specific gravity, solubility, and structural formula.

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