History and Industrial Applications of Organic Synthesis
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Questions and Answers

What was the significance of Wöhler's synthesis of urea in 1828?

  • It proved that organic compounds from living organisms could be made in the lab. (correct)
  • It highlighted the toxicity of ammonium isocyanate.
  • It showed the limitations of organic synthesis.
  • It demonstrated the industrial applications of organic compounds.

    • What is the primary use of methanol in Asia?

  • In various products and fuels
  • As a precursor for wood adhesives (correct)
  • As a transportation fuel
  • For industrial synthesis under high pressure

    • How is isopropyl alcohol produced through indirect hydration?

  • Propene is combined with water at high pressures
  • Propene reacts with sulfuric acid to form a mixture of sulfate esters (correct)
  • Propene reacts with water in the presence of solid acidic catalysts
  • Isopropyl alcohol is obtained from the direct reaction of propene with water

    • Which compound is used in producing acetone, antifreeze, and antiseptics?

    <p>Isopropyl alcohol</p> Signup and view all the answers

    What promotes the industrial synthesis of methanol from carbon monoxide and hydrogen?

    <p>Heated catalyst mixture (ZnO and Cr2O3) at 400-450°C</p> Signup and view all the answers

    What is the primary concern regarding the use of Formaldehyde?

    <p>Its toxicity and volatility, which lead to health risks upon exposure</p> Signup and view all the answers

    What is the main reason for the shift from acetylene hydration to direct ethylene oxidation in the manufacture of Acetaldehyde?

    <p>The simpler and cheaper process of ethylene oxidation</p> Signup and view all the answers

    What is the natural source of Formaldehyde, which contributes to smog and comprises up to 90% of environmental formaldehyde?

    <p>Formed through sunlight and intermediate in combustion processes like forest fires and car exhaust</p> Signup and view all the answers

    What is the unique process used for the easy separation in the production of the effective cleaner mentioned in the text?

    <p>The 'salting out' process with salts like sodium chloride</p> Signup and view all the answers

    What is the significant factor that led to the decline in the use of older acetylene methods for Acetaldehyde production?

    <p>The simpler and cheaper process of ethylene oxidation</p> Signup and view all the answers

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