Indicate the increasing order of speed in an electrophilic aromatic substitution of a benzene that has as substituent group: -Cl, -OH, -CO-CH2-CH3 or -CH2-CH3.
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Indicate the increasing order of speed in an electrophilic
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- c) For the following substituted benzenes, please rank their relative rates of reactivity in an EAS substitution reaction with HNO3/H2SO4, where 1 = fastest, or most reactive, and 6 = slowest, or least reactive. OMe Br Br NO2 `NO2Consider the following mechanism of reaction: CH3 CH, CH3 CH;C CH, + H-CI CH;CCH, + C: → CH;CCH, tert-butyl cation CI tert-butyl chloride In this reaction: The alkene and the carbocation intermediate are both nucleophilic HCl and CI" are both nucleophilic The alkene and HCI are both electrophilic The carbocation and CI" are both electrophilic The alkene and CI" are both nucleophilic AMeving to another question will save this response(d) Consider the following catalyzed and non-catalyzed pathways of a substitution reaction of bromoethane. Draw an energy diagram for each of the following reactions (label all axes and include reactants, intermediates (if any) and products). CH3CH₂Br + HO CH³CH₂OH + B (non-catalyzed) ное CH3CH₂Br + CH3CH₂OH + 1 (catalyzed) CH3CH₂ + Br
- A student adds NBS to a solution of 1-methylcyclohexene and irradiates the mixture with a sunlamp until all the NBS has reacted. After a careful distillation, the product mixture contains two major products of formula C7H11Br. (a) Draw the resonance forms of the three possible allylic free radical intermediates.b) Explain in detail what characteristics of the alkyl halide influence whether a mechanism will be SN1 or SN2. c) Explain in detail what characteristics of a nucleophile influence whether a reaction will be SN1 or SN2.What type of substituent effect do you expect a -CC12-CC12-CC13 (perchloropropyl) group to have upon aromatic electrophilic substitution reactions? Resonance electron donor; activating substituent; ortho/para director Inductive electron donating; activating substituent; ortho/para director Resonance electron withdrawing; deactivating substituent; ortho/para director Inductive electron withdrawing; deactivating substituent; meta director
- Give 3 examples of a reaction mechanism of E1 that follows Zaitsev's rule.The rate of bromination of the following three alkenes is very different: 2-methyl-1-pentene, 2-methyl-2-pentene, 3-methyl-1-pentene. Rank them in order from slowest to fastest to react.On standing, 1,3-cyclopentadiene is transformed into a new compound called dicyclopenta- diene, having the molecular formula C10H12. Draw the mechanism of the reaction that forms the product. Use dashed lines to indicate bond formation and curves arrows to show bond movement.
- Define the situation when Is the Mechanism SN1 or SN2?Which of these products is the result of a hydride shift occuring during the substitution reaction of aqueous 2-chloro-3-methylpentane? CH3CH2CCH2CH3 || CH2 CH3CH(OH)CH(CH3)CH2CH3 CH2=CHC(CH3)=CHCH3 CH3CH=C(CH3)CH2CH3 CH3CH2C(CH3)CH2CH3 | OHDraw the mechanism of the hydroboration reaction for 1-octene. Why are carbocation rearrangements not observed in this reaction?