Phenols Chemistry Overview
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Questions and Answers

What type of reaction is involved in the formation of phenol-formaldehyde resins?

  • Nucleophilic substitution
  • Addition
  • Reduction
  • Electrophilic aromatic substitution (correct)
  • Which trade name is associated with a phenol-formaldehyde resin known as one of the earliest plastics?

  • Bakelite (correct)
  • Polyethylene
  • Polycarbonate
  • Polyvinyl chloride
  • What is the precursor for the preparation of acetyl salicylic acid or 'Aspirin'?

  • Salicylic acid
  • Phenol
  • Formaldehyde
  • Phenoxide (correct)
  • How is acetyl salicylic acid or 'Aspirin' synthesized using sodium phenoxide?

    <p>Treating with carbon dioxide at high temperature and pressure</p> Signup and view all the answers

    Why was phenacetin banned in the US by the FDA in 1983?

    <p>Increased risk of certain cancers and kidney damage</p> Signup and view all the answers

    What was the common use for both paracetamol and phenacetin?

    <p>Treatment of common cold</p> Signup and view all the answers

    'Phenoxide' is used in the preparation of which compound?

    <p>'Aspirin' (acetyl salicylic acid)</p> Signup and view all the answers

    'Kolbe's reaction' involves the treatment of sodium phenoxide with which substance?

    <p>'Carbon dioxide'</p> Signup and view all the answers

    'Cross-linking of the polymeric chains' occurs after which process in the formation of phenol-formaldehyde resins?

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

    'Phenacetin' usage declined due to its adverse effects, including an increased risk of _____?

    <p>'Certain cancers and kidney damage'</p> Signup and view all the answers

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