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1. More substituted alkenes are more stable than less substituted alkenes....
Help on all parts of question 3 would be greatly appreciated! 3. Treating alkene "A" below...
Help on all parts of question 3 would be greatly
appreciated!
3. Treating alkene "A" below with HBr can lead to a number of products. "A" + H-Br A bunch of products. For real, hella products. 3.A. Label the stereocenters in compound "A" as R or S and label the alkene as E or Z. 3.B. Draw the curved arrow mechanism leading to the most stabilized carbo- cation intermediate. (don't do any rearrangements, just acid/base with the alkene) H-Br most...
need help with 1-21 1) Label the steps below as "slow" and "fast". HCH 013 10...
need help with 1-21
1) Label the steps below as "slow" and "fast". HCH 013 10 = H. C + + H-LG H-LG 2) Why are they slow/fast? Explain using chemical terms. Stereochemistry of the Sn1 reaction 3) What type of intermediate does the Sn1 reaction proceed through? 4) What is the geometry of the carbon that the nucleophile coordinates to in the 2 step? 5) From how many directions would it be reasonable for the nucleophile to approach the...
ASU important unanisWL before leaving class d draw the carbocation od the alkene shown below. ebo...
ASU important unanisWL before leaving class d draw the carbocation od the alkene shown below. ebo BroUDU 52 Additional Questions: 16. a) Use curved arrows to illustrate electron movement, and drawi intermediate first formed from the reaction of HBr and the alke Toro 15 OD 901 915 Molebo Br + HBr om ni + HBO B oobs 3 dezodos los bruogma of babbsalo D o no sol bbs Hmont Hori bib node Vods wens OV no bag o ubora 2010...
please answer questions 1-4 Question 1 Which of the following is the most stable carbocation? СН3...
please answer questions 1-4
Question 1 Which of the following is the most stable carbocation? СН3 V. CH2 What is the major product of the following reaction? Н HBO C CHS CH CH CH3-CH ( CH, Br CH2-CH-C–CH, Br Br CH CH CH3-CH:-¢-CH Br ін, CHE CH CH.-CH- Br CH. D Question 3 What is the major product of the following reaction? CH, НО 1 Оснок IV. CH2OH CH3 "О" ОН Д. он СН3 CH3 Но Ш. CH, ОН Question...
CH3 CH3 1. Hg(OAC), H20 2. NaBH НО, І CH3 CH, Hoc H₃C/ Acid-catalyzed addition of...
CH3 CH3 1. Hg(OAC), H20 2. NaBH НО, І CH3 CH, Hoc H₃C/ Acid-catalyzed addition of water to an alkene yields an alcohol with Markovnikov regiochemistry. The electrophilic H adds to the sp carbon with the most hydrogens to yield the most stable carbocation intermediate, which then adds water to give the product alcohol. Because a carbocation intermediate is formed, rearrangements can occur prior to the addition of water. To avoid the possibility of rearrangement and still give a Markovnikov...
Please, make the answer clear and reable. BrEtOH a OEt Hace H2C Alkyl halides undergo nucleophilic...
Please, make the answer clear
and reable.
BrEtOH a OEt Hace H2C 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 ction is termed E1. These reactions are unimolecular and occur in two steps. The first step is rate-limiting and involves the loss...
answer all questions 1. For the following substrates, predict whether a carbocation rearrangement will take place...
answer all questions
1. For the following substrates, predict whether a carbocation rearrangement will take place in an SN1/E1 mechanism by first drawing the carbocation intermediate, then deciding if the carbocation will rearrange (can it form a more stable carbocation by hydride or methyl shift?): Carbocation: Sturcture Rearrange? If yes, draw the rearranged product. If no, write No н.с Br Н,с, Cн, 2. For each pair of nucle ophiles, circle which will react faster with CHsl in an Sx2 reaction....
can questions 1-9 please be answered and why are they the answer 1. How many sp...
can questions 1-9 please be answered and why are they the
answer
1. How many sp hybridized carbon atoms are present in the following molecule? (A) 3 (B) 4 5 н.с (D). 6 2. Which bond is the longest in the following molecule? (A) (B) CECH (C) (D) 3. Which of the following molecules is chiral at room tempernture (25 C)? (A) 1,1-dimethylcyclohexane (B) cis-1,2-dimethyleyelohexanc (C) trans-,3-dimethyleyclohexane (D) trans-1,4-dimethylcyclohexane 4. Which group is an aldehyde? н н (C) (D) (A)...
Please answer ALL questions and all parts. Will give a good rating, thanks! 12.34 Starting with...
Please answer ALL questions and all parts. Will give a good
rating, thanks!
12.34 Starting with 1-butanol, show the reagents you would use to prepare each of the following compounds: o OH (a) H (b) ОН (c) OH (d) (e) 13.38 Propose a plausible mechanism for each of the following transformations: OH 1) EtMgBr 2) H2O (a) OH 1) NaH 2) Et OET (b) HO e 1) H-CEC: 2) H2O Na (c) OH of [H, 50 MeSH (d) MeS NaH...
1. Draw all of the constitutional isomers that are formed in each elimination reaction and label...
1. Draw all of the constitutional isomers that are formed in each elimination reaction and label the mechanism as E2 or E1. a. 2-bromo butane reacts with methoxide b. 1-chloro-1-ethyl 2 methyl cyclopentane reacts with water 2. For which reaction mechanism are each of the following statements true? Mechanism S1, S2, E1 or E2. A statement may be true for one or more mechanisms a. The mechanism involves carbocation intermediates b. The mechanism has two steps C. The reaction rate...
Help on all parts of question 3 would be greatly
appreciated!
3. Treating alkene "A" below with HBr can lead to a number of products. "A" + H-Br A bunch of products. For real, hella products. 3.A. Label the stereocenters in compound "A" as R or S and label the alkene as E or Z. 3.B. Draw the curved arrow mechanism leading to the most stabilized carbo- cation intermediate. (don't do any rearrangements, just acid/base with the alkene) H-Br most...
need help with 1-21
1) Label the steps below as "slow" and "fast". HCH 013 10 = H. C + + H-LG H-LG 2) Why are they slow/fast? Explain using chemical terms. Stereochemistry of the Sn1 reaction 3) What type of intermediate does the Sn1 reaction proceed through? 4) What is the geometry of the carbon that the nucleophile coordinates to in the 2 step? 5) From how many directions would it be reasonable for the nucleophile to approach the...
ASU important unanisWL before leaving class d draw the carbocation od the alkene shown below. ebo BroUDU 52 Additional Questions: 16. a) Use curved arrows to illustrate electron movement, and drawi intermediate first formed from the reaction of HBr and the alke Toro 15 OD 901 915 Molebo Br + HBr om ni + HBO B oobs 3 dezodos los bruogma of babbsalo D o no sol bbs Hmont Hori bib node Vods wens OV no bag o ubora 2010...
please answer questions 1-4
Question 1 Which of the following is the most stable carbocation? СН3 V. CH2 What is the major product of the following reaction? Н HBO C CHS CH CH CH3-CH ( CH, Br CH2-CH-C–CH, Br Br CH CH CH3-CH:-¢-CH Br ін, CHE CH CH.-CH- Br CH. D Question 3 What is the major product of the following reaction? CH, НО 1 Оснок IV. CH2OH CH3 "О" ОН Д. он СН3 CH3 Но Ш. CH, ОН Question...
CH3 CH3 1. Hg(OAC), H20 2. NaBH НО, І CH3 CH, Hoc H₃C/ Acid-catalyzed addition of water to an alkene yields an alcohol with Markovnikov regiochemistry. The electrophilic H adds to the sp carbon with the most hydrogens to yield the most stable carbocation intermediate, which then adds water to give the product alcohol. Because a carbocation intermediate is formed, rearrangements can occur prior to the addition of water. To avoid the possibility of rearrangement and still give a Markovnikov...
Please, make the answer clear
and reable.
BrEtOH a OEt Hace H2C 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 ction is termed E1. These reactions are unimolecular and occur in two steps. The first step is rate-limiting and involves the loss...
answer all questions
1. For the following substrates, predict whether a carbocation rearrangement will take place in an SN1/E1 mechanism by first drawing the carbocation intermediate, then deciding if the carbocation will rearrange (can it form a more stable carbocation by hydride or methyl shift?): Carbocation: Sturcture Rearrange? If yes, draw the rearranged product. If no, write No н.с Br Н,с, Cн, 2. For each pair of nucle ophiles, circle which will react faster with CHsl in an Sx2 reaction....
can questions 1-9 please be answered and why are they the
answer
1. How many sp hybridized carbon atoms are present in the following molecule? (A) 3 (B) 4 5 н.с (D). 6 2. Which bond is the longest in the following molecule? (A) (B) CECH (C) (D) 3. Which of the following molecules is chiral at room tempernture (25 C)? (A) 1,1-dimethylcyclohexane (B) cis-1,2-dimethyleyelohexanc (C) trans-,3-dimethyleyclohexane (D) trans-1,4-dimethylcyclohexane 4. Which group is an aldehyde? н н (C) (D) (A)...
Please answer ALL questions and all parts. Will give a good
rating, thanks!
12.34 Starting with 1-butanol, show the reagents you would use to prepare each of the following compounds: o OH (a) H (b) ОН (c) OH (d) (e) 13.38 Propose a plausible mechanism for each of the following transformations: OH 1) EtMgBr 2) H2O (a) OH 1) NaH 2) Et OET (b) HO e 1) H-CEC: 2) H2O Na (c) OH of [H, 50 MeSH (d) MeS NaH...
1. Draw all of the constitutional isomers that are formed in each elimination reaction and label the mechanism as E2 or E1. a. 2-bromo butane reacts with methoxide b. 1-chloro-1-ethyl 2 methyl cyclopentane reacts with water 2. For which reaction mechanism are each of the following statements true? Mechanism S1, S2, E1 or E2. A statement may be true for one or more mechanisms a. The mechanism involves carbocation intermediates b. The mechanism has two steps C. The reaction rate...
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