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in the electrophilic addition reactions exemplified in Scheme 1, Br2 is the
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- The reactants, intermediates, final products, and all curved arrows showing bonds forming andbreaking are collectively referred to as the mechanism of a reaction. For the following reactants: a. Explain why the original statement of Markovnikov’s rule does not help in this case, but themodern restatement of Markovnikov’s rule tells you which carbon will get the X (Cl). b. Show the mechanism of the most likely addition reaction between the reactants.Predict the major products formed when 2- methyl-1-butene reacts with: H2, Pt/25°C. Show the reaction mechanism the given alkene reactionsFree radical halogenation is used to replace one or more hydrogens on an alkane with one or more halogens (either chlorine or bromine). It is a substitution reaction. A student performs a free radical bromination on 3-methyl-pentane (5.88 g) to create the desired product of 3-bromo-3-methyl-pentane. The product mix, which hopefully contains almost all 3-bromo-3-methyl-pentane, is cleaned up by passing it through a gas chromoatograph, which separates out the 3-bromo-3-methyl-pentane from any undesired products made during the reaction (undesired products are created frequently in free radical halogenation). The initial product mix weighed 9.45 g; the purified 3-bromo-3-methyl-pentane weighed 7.21 g. What is the student's percent recovery?
- Does the data provide evidence for the claim that the reaction of Br2 with alkenes proceeds via anti‐addition? The mleting point of the product was found to be 234.5-235.5C chemical reaction: trans-stilbene+pyrimindine tribromide --->acetic acid 1,2-di bromo-1,2-diphenylethaneWhich choice best describes the alkene below?Kindly xplain the solubility of alkanes, alkenes, and alkynes to H2SO4.
- B + 2C ---> D + EIodide ion reacts with chloromethane to displace chlorideion in a common organic substitution reaction: I⁻+CH3Cl →CH3I+Cl⁻ (a) Draw a wedge-bond structure of chloroform and indicatethe most effective direction of Iattack.(b) The analogous reaction with 2-chlorobutane [FigureP16.107(b)] results in a major change in specific rotation asmeasured by polarimetry. Explain, showing a wedge-bondstructure of the product.(c) Under different conditions, 2-chlorobutane loses Clin arate-determining step to form a planar intermediate [FigureP16.107(c)]. This cationic species reacts with HI and then losesHto form a product that exhibits no optical activity. Explain,showing a wedge-bond structure.2. In the bromination reactions, what is the function of CCl4? Why can it fulfil its role?3. Bromination proceeds by either free radical substitution or electrophillic addition. Based on Table 3, which mechanism is followed by alkanes? by alkenes? by alkynes?4. For which hydrocarbon type is light necessary for bromination to take place?
- What is the value in kJ/mol, of the lowest energy trnasition above? a.) 545 b.) 444 c.) 320 d.) 266is steric hinderance not an issue here? why when reacting with KOC(CH3)3 does it yield 2-isopropyl-1-pentene and it yields 2,3-dimethyl-2hexene here?the action of halogenated derivatives of alkanes with KOH: CnH2n + 1 Cl + KOH = CnH2n + 2O + KCl is: a) radical substitution b) nucleophilic substitution c) electrophilic substitution d) addition reaction