10 Questions
What is the advantage of using nitrosation over direct nitration of phenol?
Higher yield of p-nitrophenol
What is the main reason Friedel-Crafts alkylation is not usually carried out with phenols?
AlCl3 coordinates with the oxygen of the phenol
What is the product of heating the ortho product in H2SO4 at 100°C?
Para-sulphonic acid
What is the primary reactant in the nitrosation of phenols?
Nitrosonium ion
What is the purpose of sulphonation of phenol?
To produce sulphonic acid derivatives
What is the result of prolonged heating of either sulphonic acid product in H2SO4?
Formation of disulphonic acid derivative
What is the product of the Fries rearrangement of phenyl acetate?
o- and p-Hydroxyketones
Why is it not necessary to use mixtures of nitric and sulfuric acids for the nitration of phenols?
Due to the high reactivity of phenols
What is the reaction between phenols and diazonium salts?
Coupling reaction
What is the catalyst used in the Fries rearrangement of phenyl acetate?
Aluminium chloride
Test your knowledge of electrophilic aromatic substitution reactions, including halogenation, nitration, and coupling with diazonium salts. Learn about the reactivity of phenolic oxygen and reactions involving phenol.
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