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State sulphonation of benzene and explain it mechanism

State sulphonation of benzene and explain it mechanism

Grade:12th pass

1 Answers

Arun
25750 Points
6 years ago
Sulfonation of Benzene:Sulfonation of benzene is a process of heating benzene with fuming sulphuric acid (H2SO4 +SO3) to produce benzenesulfonic acid. The reaction is reversible in nature.
A mechanism for Sulfonation of benzene: Due to higher electronegativity, oxygen present in sulphuric acid pulls an electron towards itself, generating an electrophile. This attacks the benzene ring, leading to the formation of benzenesulfonic acid.
 
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Arun (askIITians forum expert)

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