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- 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.Write the main product(s) that will be formed as a result of the following reaction, together with its mechanism.In both examples below the reactants shown are combined to bring about a nucleophilic substitution (SN1, SN2) and/or elimination (E1, E2) reaction. What is the major reaction that takes place in each case?
- I labeled one of the atoms incorrectly, but I am not sure which. Would the H in HBr be considered a nucleophile as well ?What is the slow (rate-determining) step in any electrophilic aromatic substitution reaction? Please provide a detailed explanation.Methylating agents are substrates that deliver methyl groups to nucleophiles, and so are themselves electrophilic. What is the most common methylating agent (a) in the laboratory and (b) in biological systems? Discuss their similarities and differences... Solve it asap
- (a) Recall, from WP 14.26 (and from lecture), cyclopentadienone and cycloheptatrienone differ drastically in reactivity and stability. One is very stable and unreactive, and the other one is very reactive and rapidly undergoes a dimerization reaction. Which one is particularly stable? Explain why. For the one which is extremely reactive, explain why, but also draw the structure of the dimer which is formed rapidly.Draw the sigma complex for the formation of the bromonium electrophile with proper resonance forms for the meta bromination of toluene and for the para bromination of toluene. Which resonance structure places the (+) next to the methyl group? Will either one (i.e. para and meta sigma complex) yield a fourth resonance structure? Given that alkyl groups such as CH3 are electron rich (i.e. no attached electronegative atoms), which sigma complex in part (A) would be more stable?Identify (label) the electrophile and the nucleophile in the reaction and add curved arrows to the following polar reactions to show the flow of electrons:
- (b) Which of the following will react most slowly with cyanide nucleophile (NC-) in an SN1 reaction? .CI Br ClmyCoyote OWlv2 Homework Registration: CHEM 2... C OWLV2 | Online teaching and learning res.. * Start [Review Topics] [References) CH3 OMe H3C. CH3 MeOH CH3 CH3 CH3 H3C H3C H3C Br Alkyl halides undergo nucleophilic substitution and elimination reactions. When the kinetics of the reaction are measured, if the rate of the reaction is found to be dependent only upon the concentration of the alkyl halide the reaction is first order. The substitution reaction is thus termed SN1, and the elimination reaction is termed E1. These reactions are unimolecular and occur in two steps. The first step is rate-limiting and involves the loss of the leaving group to form a carbocation. In the second, fast, step the nucleophile adds to the carbocation in the SN1 reaction or elimination occurs to give an alkene in the E1 reaction. Because the carbocation is planar, the nucleophile can add to either face and therefore racemization is usually observed although solvent effects can influence this somewhat. E1…There are two structurally different alkyl halides (i.e., that differ in their connectivity of atoms, not just halogen identity) that can be reacted with the same nucleophile to provide the product shown as a MAJOR product (not necessary as the only major product). Provide the structures of these two alkyl halides and the nucleophile.