MolSynapse
question bank
All chapters
NEET
JEE
Practice
MolSynapse
/
Question bank
/
Organic Reaction Mechanisms II: Electrophilic and Radical Reactions
/
Electrophilic aromatic substitution: mechanism and directing effects
NEET level
Single correct option
Difficulty 1 of 3
o2117
Benzene reacts with
CH
X
3
Cl
in the presence of anhydrous
AlCl
X
3
to give mainly
A
chlorobenzene
B
toluene
C
benzyl chloride
D
benzoic acid
Answer: B
This is Friedel-Crafts alkylation.
AlCl
X
3
polarises
CH
X
3
Cl
so that a methyl group is transferred to the ring, with loss of HCl, giving toluene.
Practice Organic Reaction Mechanisms II: Electrophilic and Radical Reactions
More on Electrophilic aromatic substitution: mechanism and directing effects
Previous question
Next question
More questions on Electrophilic aromatic substitution: mechanism and directing effects
Which of the following compounds is the most reactive towards electrophilic aromatic substitution?
NEET level
Nitration of toluene with HNO3 and H2SO4 gives mainly
NEET level
The chlorine atom in chlorobenzene is
NEET level
Friedel-Crafts alkylation fails with
NEET level
In the sulfonation of benzene with fuming sulfuric acid, the electrophile is
NEET level
In electrophilic aromatic substitution of benzene, the rate-determining step is
NEET level