HARD UNIT 4 - benzene Flashcards
Why doesn’t the benzene ring take part in addition reactions?
Delocalised electrons are present.
What is the phenyl group - C6H5?
A benzene ring in which one hydrogen atom has been substituted by another group.
What electrophilic substitution reactions does benzene take part in?
Halogenation using aluminium chloride or iron(III) chloride for chlorination.
Halogenation with aluminium bromide or iron(III) bromide for bromination.
How do benzene rings take part in alkylation?
By reaction of a haloalkane using aluminium chloride.
What does nitration of benzene use?
Concentrated sulfuric acid and concentrated nitric acid.
What is the suffocation of benzene with?
Concentrated sulfuric acid.