12 Questions
What is the special name given to methyl phenols?
Cresols
How can ortho and para isomers of phenols be separated?
By steam distillation
Which type of bonding in ortho-substituted phenols reduces water solubility and increases volatility?
Intramolecular hydrogen bonding
In phenol synthesis, what are diazonium salts used for?
To form phenols
Which reaction of phenols involves the introduction of a nitro group?
Nitration
What is the main effect of substituent groups on the acid strength of phenols?
Increase acid strength
How do electron withdrawing groups affect the negative charge in phenolate?
Decrease the negative charge
Which type of groups shift the equilibrium of phenolate farther to the left, making it a weaker acid?
Electron donating groups
In the context of phenols, why is it possible to generate phenoxide in situ using NaOH?
Phenols are more acidic than water
Which type of group serves as a powerful activating group in Electrophilic Aromatic Substitution (EAS) and is an ortho/para director?
Acylation group
What reaction occurs when allyl phenyl ether is heated to 200°C?
Claisen rearrangement
What is the product formed from the Claisen rearrangement of allyl phenyl ether at 200°C?
o-Allyl phenol
This quiz covers the factors affecting the formation of phenoxide ions, including the influence of electron-withdrawing and electron-donating groups. It also explores ester and ether formation from phenols, along with the use of NaOH to generate phenoxide in situ.
Make Your Own Quizzes and Flashcards
Convert your notes into interactive study material.
Get started for free
