Which of the following statements is incorrec | vedclass

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(C) $1$. Nitration of aromatic compounds is an electrophilic aromatic substitution reaction where the rate-determining step involves the formation of

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The rate of nitration of benzene is higher than that of hexadeuterobenzene.

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(C) $1$. Nitration of aromatic compounds is an electrophilic aromatic substitution reaction where the rate-determining step involves the formation of the sigma complex.$2$. In the case of benzene and hexadeuterobenzene $(C_6D_6)$,the rate-determining step does not involve the breaking of the $C-H$ or $C-D$ bond.$3$. Therefore,there is no primary kinetic isotope effect,and the rates of nitration for benzene and hexadeuterobenzene are essentially the same.$4$. Toluene has a methyl group which is electron-donating ($+I$ and hyperconjugation),making the ring more reactive towards electrophilic substitution than benzene.$5$. Thus,statement $C$ is incorrect because the rates are equal,not different.

Which of the following statements is incorrect for the nitration of an aromatic compound?

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