Indicate, by letter(s), the position(s) on the ring at which substitution occurs when the aromatic compounds shown undergo bromination with Br2, FeBr3 (when necessary). CN a OH a `NO2
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- Which of the following substituents are meta directing in electrophilic aromatic substitution? A. CO2H, NO2, CF3 B. OEt, COCH3, Br C. NH2, Me, CCl3 D. F, CF3, OC(O)CH3which of the following alkenes will most likely undergo a hydride shift when reacting with HCl?which among the following alkenes will most likely undergo a hydride shift when reacting with HCl?
- Which of the compounds will undergo a carbocation rearrangement upon heating in CH3CH2OH?Rank the following aromatic compounds in increasing order of reactivity toward Br2 (least reactive to most reactive) under bromination conditions: Br2, FeBr3.Given aromatic compounds with the following functional groups attached to them what is the order of decreasing reactivity toward electrophilic aromatic substitution. NO2, COOH, and benzene Benzene, ester, ketone CH3, CH2Cl , CHCl2 Cl. , CN,. -OCH2CH3
- The following compounds are given to you:2-Bromopentane, 2-Bromo-2-methylbutane, 1-Bromopentane(i) Write the compound which is most reactive towards SN2 reaction.(ii) Write the compound which is optically active.(iii) Write the compound which is most reactive towards P-elimination reaction.Which of the following reactions results in Markovnikov addition of H2O to an alkene?When BENZENE reacts with Br2 in the presence of FeBr3 (or FeCl3), the major substrate product (with the correct IUPAC name) is ___ ortho-dibromobenzene 1-chlorobenzene 1-bromobenzene bromobenzene ferric benzene
- Which of the following substituents is ortho/para directing and deactivating in electrophilic aromatic substitution reactions? A. Br B. Ph C. OMe D. NH2Consider the substitution reaction that takes place when (S)-3-bromo-2,3-dimethylhexane is treated with ethanol. Which of the following would be true? The reaction would take place only with inversion of configuration at the stereogenic centre. The reaction would take place only with retention of configuration at the stereogenic centre. The reaction would take place with racemisation. No reaction would take place.For following substituted benzenes: [1] C6H5Br; [2] C6H5CN; [3] C6H5OCOCH3: Does the substituent activate or deactivate the benzene ring inelectrophilic aromatic substitution?