Aromatic Chemistry (OCR A-Level Chemistry A): Quizzes
📚Quizzes
Practise the questions
10 questions from this quiz
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Practise the questions
10 questions from this quiz
What is the characteristic reaction type for benzene?
What is the characteristic reaction type for benzene?
Electrophilic substitution
What temperature is used for nitration of benzene, and what happens if it is exceeded?
What temperature is used for nitration of benzene, and what happens if it is exceeded?
50°C; further substitution occurs
What is the electrophile in the nitration of benzene?
What is the electrophile in the nitration of benzene?
nitronium ion
What is the role of concentrated in the nitration of benzene?
What is the role of concentrated in the nitration of benzene?
Catalyst
Which catalyst is required for the bromination of benzene?
Which catalyst is required for the bromination of benzene?
or halogen carrier
Why do halogens not react with benzene without a catalyst?
Why do halogens not react with benzene without a catalyst?
Delocalised electrons can't polarise
What type of reagent is used in Friedel-Crafts alkylation?
What type of reagent is used in Friedel-Crafts alkylation?
Haloalkane
What type of compound is produced in Friedel-Crafts acylation?
What type of compound is produced in Friedel-Crafts acylation?
Aromatic ketone
What happens when bromine water is added to benzene at room temperature without a catalyst?
What happens when bromine water is added to benzene at room temperature without a catalyst?
No reaction; stays orange-brown
Why does benzene undergo substitution rather than addition reactions?
Why does benzene undergo substitution rather than addition reactions?
Substitution preserves aromatic stability