Welcome to the Quiz!
This quiz contains 11 questions from a mix of 1 subtopics.
What is the main type of reaction that benzene undergoes?
electrophilic substitution
electrophilic addition
nucleophilic substitution
nucleophilic addition
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What is the role of a halogen carrier in electrophilic substitution reactions?
to donate a lone pair of electrons to a halogen atom on an electrophile
to accept a lone pair of electrons from a halogen atom on an electrophile
to reduce the polarisation in the electrophile molecule
to increase the electron density on the benzene ring
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What is the term for the electrophilic substitution of a halogen atom onto a benzene ring?
alkylation
halogenation
acylation
nitration
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In the bromination of benzene, what is the electrophile that attacks the benzene ring?
AlBr3
Br+
AlBr2+
Br2
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What is the product formed when benzene undergoes nitration?
methylbenzene
nitrobenzene
phenylketone
chlorobenzene
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Friedel-Crafts reactions are useful for forming which type of bond?
C-C bonds
C-N bonds
C-H bonds
C-O bonds
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Which of the following is used in Friedel-Crafts alkylation reactions?
sulfuric acid
nitric acid
acyl chloride
halogenoalkane
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What is the product formed in a Friedel-Crafts acylation reaction of benzene?
alkylbenzene
cyclohexane
benzoic acid
phenylketone
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In the Friedel-Crafts acylation of benzene using ethanoyl chloride, what is the electrophile that attacks the benzene ring?
CH3COCl
Cl+
CH3CO+
CH3+
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Outline the three steps involved in the chlorination of benzene using Cl2 and an AlCl3 catalyst.
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What is the role of the catalyst in the halogenation of benzene?
to stabilise the carbocation intermediate
to donate electrons to the chlorine atom
to activate the benzene ring
to polarise the Cl-Cl bond
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