Which one of the following statements on the nitration of aromatic compounds is false?
A. the rate of nitration of benzene is almost the same as that of hexadeuterobenzene
B. the rate of nitration of toluene is greater than that of benzene
C. the rate of nitration of benzene is greater than that of hexadeuterobenzene
D. nitration is an electrophilic subsitution reaction.
