Question

p-Nitrotoluene on further nitration gives
A. 3,4-dinitrotoluene
B. 2,4-dinitrotoluene
C. 2,4-dinitrobenzyl alcohol
D. 2,5-dinitrotoluene

Answer 1

Correct Answer - B

Nitration of p-nitrotoluence gives almost exclusively 2,4-dinitrotoluene because both `-CH_(3)` and `-NO_(2)` groups direct the incoming electrophile `-overset(+)(N)O_(2)` to the same C atom shown by the arrow.