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.