Phenoxide Formation and Acidity
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Questions and Answers

What is the special name given to methyl phenols?

  • Cresols (correct)
  • Hydroxy compounds
  • Eugenol
  • Tyrosine
  • How can ortho and para isomers of phenols be separated?

  • By sublimation
  • By steam distillation (correct)
  • By fractional distillation
  • By filtration
  • Which type of bonding in ortho-substituted phenols reduces water solubility and increases volatility?

  • Intramolecular hydrogen bonding (correct)
  • Ionic bonding
  • Van der Waals bonding
  • Covalent bonding
  • In phenol synthesis, what are diazonium salts used for?

    <p>To form phenols</p> Signup and view all the answers

    Which reaction of phenols involves the introduction of a nitro group?

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

    What is the main effect of substituent groups on the acid strength of phenols?

    <p>Increase acid strength</p> Signup and view all the answers

    How do electron withdrawing groups affect the negative charge in phenolate?

    <p>Decrease the negative charge</p> Signup and view all the answers

    Which type of groups shift the equilibrium of phenolate farther to the left, making it a weaker acid?

    <p>Electron donating groups</p> Signup and view all the answers

    In the context of phenols, why is it possible to generate phenoxide in situ using NaOH?

    <p>Phenols are more acidic than water</p> Signup and view all the answers

    Which type of group serves as a powerful activating group in Electrophilic Aromatic Substitution (EAS) and is an ortho/para director?

    <p>Acylation group</p> Signup and view all the answers

    What reaction occurs when allyl phenyl ether is heated to 200°C?

    <p>Claisen rearrangement</p> Signup and view all the answers

    What is the product formed from the Claisen rearrangement of allyl phenyl ether at 200°C?

    <p>o-Allyl phenol</p> Signup and view all the answers

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