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12. Which of the following undergoes the most rapid nitration when treated with nitric acid in...

12. Which of the following undergoes the most rapid nitration when treated with nitric acid in the presence of sulfuric acid? a. Benzene b. Toluene c. Para-dichlorobenzene d. Aniline

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Answer #1

Answer,

Nitration of aniline is faster than the a) benzene, b) toluene and c) p-dichloro benzene

The toluene cannot form this type of stable resonance structure. So nitration of toluene is slow.

Halo benzene, though it can form a sigma resonance structre but it caanot form stable sigma resonace structure. Therefore halobenzene nitration is slower than aniline nitration.

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