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WorksheetsArenes
Total questions: 10
Worksheet time: 12mins
Nitration of a benzene molecule shows reaction of
electrophilic substitution
addition reaction
nucleophillic substitution
all of them
The presence of benzene (C6H6) ring in an alkylarene can affect the characteristic reactions of its
alkyl-side chain
beta chain
alpha chain
all of them
Arenes are polar. State true or false
a) True
b) False
True
False
Which statement about the reaction of benzene with Cl2 in the presence of AlCl3 is incorrect?
Chlorobenzene is formed
AlCl3 is a catalyst
The mechanism goes via an intermediate cation
The mechanism is electrophilic addition
Which one of the following describes the mechanism of the reaction of aqueous NaOH with 2,4,6-trinitrochlorobenzene to form picric acid
nucleophilic substitution
electrophilic addition
addition and elimination
electrophilic substitution
The reaction of benzene with Methyl chloride under Friedel-Crafts conditions leads to which of the following?
Methylbenzene and 1,2-dimethylbenzene as the only products
A mixture of methylbenzene, 1,2-dimethylbenzene and 1,4-dimethylbenzene
1,2-Dimethylbenzene and 1,4-dimethylbenzene as the only products
Methylbenzene (toluene) as the only product
Which statement about benzene is incorrect?
The C6 ring is planar
Each C atom is sp2 hybridized
The C–C π-bonding is delocalized
The reactivity of the benzene reflects the presence of carbon-carbon double bonds
Which statement about the reaction of benzene with 1-chloropropane in the presence of AlCl3 is incorrect?
AlCl3 acts as a catalyst
Benzene undergoes electrophilic substitution
In the presence of AlCl3, 1-chloropropane reacts to give a carbenium ion
The major product is n-propylbenzene
A
B
C
D
With respect to the electrophilic aromatic substitution of benzene which of the following is not true?
A non-aromatic intermediate is formed
Benzene acts as an electrophile
A proton is lost in the final step
Resonance forms are important
