Benzene and Alkyl Benzene - Result Question 21
25. Among the following, the compound that can be most readily sulphonated is
(1982)
(a) benzene
(b) nitrobenzene
(c) toluene
(d) chlorobenzene
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Answer:
Correct Answer: 25. (c)
Solution:
Toluene is most readily sulphonated among these because methyl group is electron donating ( $+I$ effect), activate benzene ring for electrophilic aromatic substitution.