This problem set provides structured, comprehensive, and exam-oriented practice on aromatic compounds and electrophilic aromatic substitution reactions. It is designed for Class 11–12 students, competitive exam aspirants, and undergraduate learners to strengthen conceptual clarity through systematic problem solving.
In this section, you will practice:
Concept-based questions on aromaticity and resonance
Mechanism-focused problems on electrophilic aromatic substitution
MCQs aligned with NCERT, JEE-type, and UG exam patterns
Assertion–reason and multi-statement questions
Problems on directing effects and regioselectivity
Numerical and data-interpretation questions
Mixed-difficulty problems from basic to advanced levels
The problem set is structured to support progressive skill development, improve reaction analysis, and help students assess their readiness for school exams, competitive entrances, and undergraduate assessments.
Strengthen your mastery of aromatic compounds and electrophilic substitution by consistent and focused problem-solving practice.
Q. In the nitration of benzene, which reagent is used to generate the nitronium ion (NO2+)?
A.
HNO3
B.
H2SO4
C.
HCl
D.
NaNO2
Solution
Concentrated sulfuric acid (H2SO4) is used to generate the nitronium ion (NO2+) from nitric acid (HNO3) in the nitration of benzene.
Q. What is the stereochemistry of the product formed from the electrophilic substitution of 1,2-dimethylbenzene (o-xylene)?
A.
R
B.
S
C.
R and S
D.
None
Solution
The product can have both R and S configurations due to the presence of two methyl groups that can influence the orientation of the incoming electrophile.
