14-28 Electrophilic addition of Br2 to isoprene (2-methyl-1,3-butadiene) yields the following product mixture: Br CH3 Br2 Br Br. Br. Br Br (21%) (76%) (3%)
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- From 10 to 14. can i get an explanation on how to choose the appropriate products for these reactions? thank youThe following reaction has a ΔSsystem < 0 O2(g) → 2O(g) T or F can you explain why this is false?6. Identify the best reagent(s) for this reaction. (see attached screenshot). a. H2SO4, HgSO4, H2O b. 1. Disiamylborane, 2. HO–, H2O2 c. K2Cr2O7, H+ d. NaOCl e. H2, Pd
- Provide the mechanism and products for the acid-catalyzed epoxide opening reactions below, including appropriate stereochemistry.Draw the structures of the organoboranes formed when borane reacts with each alkene below, including the regiochemistry and stereochemistry as appropriate. Propose a mechanism for each reaction.How could you use 1H NMR to determine the regiochemistry of electrophilic addition to alkenes? For example, does addition of HCl to 1-methylcyclohexene yield 1-chloro-l-methylcyclohexane or l-chloro-2-methylcyclohexane?
- this is a witiig lab. starting agents are 9-anthracene-carboxaldehyde and benzyltriphenylphosphorium. the product is trans-9-(2-phenylethanyl)anthracene.The reaction of one equivalent of hydrogen bromide with 1,3-butadiene gives product D and G via pathway 1 and 2 respectively. Which transition state is more stable? (This diagram will be used for problem 27 - 32.)Which one of the following reagents is capable of transforming Fe2+(1 M) to Fe3+(1 M)? Br-(1 M) H2 (1 atm) H+ (1 M) Br2
- Consider the series of the trans effect: CO, CN-, C2H4 > PR3, H-, CH3- > C6H5- > NO2-, SCN-, I- > Br- >Cl- > py > NH3 > H20 What would be the major product of the following reaction? Select one:Answer Nos. 7-12 Only. Write only the product and the type of reaction it undergone. Thank you!1. The trans effect trend is shown below: NO2- > Cl- > py Which sequence of reactions would lead to the synthesis of cis-[PtCl2(NO2)(py)]-? Pick one from the choices below