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Among the following, the compound that can be most readily sulphonated is (a) benzene (b) nitrobenzene (c) toluene (d) chlorobenzene

 Among the following, the compound that can be most readily sulphonated is
(a) benzene
(b) nitrobenzene
(c) toluene
(d) chlorobenzene

Grade:11

1 Answers

Kevin Nash
askIITians Faculty 332 Points
8 years ago

(c) TIPS / FORMULAE:

- NO2, -Cl and –OH are electron – attracting or withdrawing group due to –M, -E and/ or –I effects where as –CH3 show, +I effect (electron releasing). Because of the +I effect of the CH3 group, toluene has the highest electron density in the o- and p- positions and hence can be most readily sulphonated.

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