Which of the following species parricipates in sulphonation of benzene ring?

see full answer

Talk to JEE/NEET 2025 Toppers - Learn What Actually Works!

Real Strategies. Real People. Real Success Stories - Just 1 call away

An Intiative by Sri Chaitanya

SO2−

SO3

HSO3−

H2SO4

answer is B.

(Unlock A.I Detailed Solution for FREE)

Ready to Test Your Skills?

Check your Performance Today with our Free Mock Test used by Toppers!

Take Free Test

Detailed Solution

Sulphur trioxide SO3 is active species in sulfonation of benzene.SO3 acts as an electrophile and accepts a pair of pi electrons from benzene.

Watch 3-min video & get full concept clarity