AIIMS2007Chemistry-Organic Chemistry
AIIMS 2007 Chemistry Electrophilic Aromatic Substitution MCQ Question
Type: MCQ-conceptual-Medium-Class 11
Which of the following species participate in sulphonation of benzene ring?
A
H₂SO₄
B
SO₃
C
HSO₃⁻
D
SO₄²⁻.
Correct Answer
Option B
Detailed Explanation
Most electrophilic substitution reactions are irreversible but sulphonation is an exception.
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