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# Among the following, the compound that can be most readily sulphonated is

(a) Benzene (b) Nitro benzene (c) Toluene (d) Chloro benzene
Can you answer this question?

$-CH_3$ group that has +1 effect and due to its presence, toluene has highest electron density in the benzene ring.
For this reason Toluene can be easily sulphonated.
Hence c is the correct answer.
answered Feb 20, 2014 by