1. Identify the functional group clearly indicating the name corresponding to th

Question

1. Identify the functional group clearly indicating the name corresponding to the letter,06 pts) H o H2N Which of these is the rate-determining step in the nitration of benzene? X a Protonation of nitric acid by sulfuric acid to produce the nitronium ion b of acid by nitric acid species c Loss of a water molecule by the protonated the arenium ion d) Addition of the nitronium to benzene to produce e Loss of a proton by the arenium ion to form 3. Which of the following reactions could be used to synthesize tert-butylbenzene? H2SO4 C6H6 CH2 C (CH32 H2SO4 C6H6 AlCl3 @All of these choices. e) None of these choices. that 4. Which one of these molecules will not undergo a Friedel-crafts reaction? (circle all apply) a) Aniline b) Nitrobenzene c) Bromobenzene e)

Explanation / Answer

Answer.5- If the atom attached to carbon of benzene ring has lone pair of electrons then its is para directing or not a meta directing group and among the five options it is clear that group -NHCOCH3 has lone pair on nitrogen atom. so option (a) is correct.

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