Amongst the following, the compound which is most difficult to sulphonate is

Question

Amongst the following, the compound which is most difficult to sulphonate is (A) benzene (B) nitrobenzene (C) toluene (D) chlorobenzene

Tardigrade Admin · Accepted Answer

- NO 2 group is highly deactivating and thus, deactivates the ring towards electrophilic substitution. Hence, sulphonation of nitrobenzene is most difficult.

Q. Amongst the following, the compound which is most difficult to sulphonate is

benzene

nitrobenzene

toluene

chlorobenzene

$- N O_{2}$ group is highly deactivating and thus, deactivates the ring towards electrophilic substitution. Hence, sulphonation of nitrobenzene is most difficult.

Q. Amongst the following, the compound which is most difficult to sulphonate is

benzene

nitrobenzene

toluene

chlorobenzene

−NO2​ group is highly deactivating and thus, deactivates the ring towards electrophilic substitution. Hence, sulphonation of nitrobenzene is most difficult.

$- N O_{2}$ group is highly deactivating and thus, deactivates the ring towards electrophilic substitution. Hence, sulphonation of nitrobenzene is most difficult.