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I would really appreciate it if someone could tell me why each solvent makes the

ID: 1036850 • Letter: I

Question

I would really appreciate it if someone could tell me why each solvent makes the product. I'm getting confused with all of the different kinds. Thank you!

Electrophilic Additions to Alkenes Worksheet Compared to alkanes, which only react with halogens and molecular oxygen, alkenes (or olefins) are much more reactive. The following 18 reactions illustrate the variety of electrophilic addition reactions to alkenes. To solve the puzzle below, complete the reactions (payi an once. In the 18 spaces at the bottom of the page, write the letter of the product in the blank corresponding to the reaction number Reactions CH 7 1 RCOH H2SO4 CH2Cl2 2. CH3MgBr then H0 H2SO4 2. NaHSO3. CH3OH 3 atm 1. HglOAcz H20 15 CH 10 2. NaBH 2. CH3SCH3 CH3 17 HBr HBr 1. BH3 peroxides, A NaOH, H20 CH3 13 HBr HSO4 CH 12 14 H2SO H2, Ni CH3OH CH3OH Answers Br OCH3 Br OH HO CH3 CH CH3 C CH3 HO(CH2)4CHCH3 + enantiomer + enantiomer Br OH HO OH CH3H CH2OH Br Br HO CH3 CH "CH + enantiomer + enantiomer + enantiomer + enantiomer + enantiomer 5% Br CH Br OCH3 HO OH CH3 W HC(CH2)4CCH3 4 stereoisomers +enantiomer + enantiomer ks to answer the riddle. estion: How was the alkene able to learn all of its electrophilic reactions?

Explanation / Answer

Not only the solvents but also the reagents used in each reaction will depend on the product formation, in addition to that temperature, pressure will also affect in the determination of product. Generally water, H2O will produce H+ and OH- ions in a organic reaction mechanism, while acids like H2SO4, HNO3 , H3O+ will give only H+ ions and bases will give OH- ions. Organic solvents like hexane, benzene are non polar solvents compared to polar solvents like water.

H2/Ni , NaBH4 are reducing agents( addition of hydrogen) while HBr , Br2is a brominating reagent. Ozonolysis ( addition of O3 and formation of aldehyde and ketone) will occur by O3 and OsO4.

Addition of HBr is based on markvonikkov’s rule, that is “ The negative part of HBr that is Br- will move to carbon containing lesser number of Hydrogen atom while positive part (H+) will move to C containing Carbon carrying more H atoms.