1. Determine which of the following molecules will generate the most stable carbocation. Explain your reasoning.
2. Explain why the following reaction will not produce an E1 product?
3. Explain why the SN1 reaction condition is the preferred
method rather than SN2? 
Homework Answers
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1. Determine which of the following molecules will generate the
most stable carbocation. Explain your reasoning....
20. Arrange the following molecules based on their reactivity for SN1 mechanism (the most reactive to...
20. Arrange the following molecules based on their reactivity for SN1 mechanism (the most reactive to the least reactive) [4pts] Br Br CH3Br Br 21. Considering the SN1, SN2, E1, and E2 mechanisms, the energy diagram shown below corresponds to [4Pts] a. only the SN1 mechanism b. only the E1 mechanism c. both the SN2 and E2 mechanisms d. only the SN2 mechanism. e. only the E2 mechanism f. both the SN1 and El mechanisms energy rxn coordinate 22. If...
For the following reaction, which reaction will be faster (Left or Right)? Why? Click on the reaction that will be...
For the following reaction, which reaction will be faster (Left or Right)? Why? Click on the reaction that will be faster AND the right reason Br +CH OH — ory Br + CH, OH Left Right Because the correct reaction is SN1 and the incorrect reaction is E1. Substitution reactions are more stable than elimination reactions Because the correct reaction doesn't have a double bond. Double bonds make unstable carbocations Because the correct reaction has resonance. The resonance structures allow...
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....
Which of the following alkyl halides forms the most stable carbocation when it undergoes an E1 reaction? ão ao ar
Which of the following alkyl halides forms the most stable carbocation when it undergoes an E1 reaction? ão ao ar
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...
tso4 Explain two ways to increase the ratio of Hoffman elimination product to Zaitsev. 7. 8. In each of the following pairs, indicate the best nucleophile in methanol-explain your reasoning: a. A...
tso4 Explain two ways to increase the ratio of Hoffman elimination product to Zaitsev. 7. 8. In each of the following pairs, indicate the best nucleophile in methanol-explain your reasoning: a. Acetate or CH3CH20 b. CH3CH2S or CH3CH2O c. H20 or NH3 d. Br or CI e. t-Butanol or ethanol f. Cyclohexanol anion or phenoxide Predict all possible solvolysis products for the following compounds in ethanol. What kind of react mechanism is this? S1 SN2 E1
tso4 Explain two ways...
8. Which of the following is the most stable carbocation? Explain your answer. A) B) D) CH:CH: CH.CH CHCH,
8. Which of the following is the most stable carbocation? Explain your answer. A) B) D) CH:CH: CH.CH CHCH,
1. You wish to substitute the bromine in the following molecules with a nucleophile. Explain whether...
1. You wish to substitute the bromine in the following molecules with a nucleophile. Explain whether the given molecule would react by the Sn1 and Sn2 mechanism and explain why. 1-methyl-1-bromo-cyclohexane, 1-bromopropane, 2-bromohexane. 1.Why does benzyl bromide react under both Sn1 conditions and Sn2 conditions? 2.Why is bromobenzene nonreactive under both Sn1 and Sn2 conditions? 5. If bromocyclohexane reacts faster than chlorocyclohexane in an Sn2 reaction, what could be the reason? 11. Account for the rapid rate of ethanolysis of...
1. Write the mechanism for the reaction of 1-butanol with HBr and include a brief explanation...
1. Write the mechanism for the reaction of 1-butanol with HBr and include a brief explanation of the following points related to the mechanism. • Comment on the leaving group and briefly explain why this reaction requires acidic conditions. Explain briefly why this reaction proceeds via the SN2 mechanism, rather than the SN1 mechanism. (Hint: Explain why the direct substitution is favored. Explain why the reaction doesn't proceed via a carbocation intermediate.)
QUESTION 1 2 points Save Answer Which statement applies to halide S N 1, but NOT...
QUESTION 1 2 points Save Answer Which statement applies to halide S N 1, but NOT SN 2 substitution reactions? Reaction is favored because a weaker base is produced. The nucleophile substitutes the leaving group in the substrate. A carbocation intermediate is involved in the reaction Halogens act as leaving group. QUESTION 2 2 points Save Answer What is the expect product for the following reaction HCEN CHз Нс Br Cн Нас Br CH3 Нас CH3 Нас CN CH3 Hас...
20. Arrange the following molecules based on their reactivity for SN1 mechanism (the most reactive to the least reactive) [4pts] Br Br CH3Br Br 21. Considering the SN1, SN2, E1, and E2 mechanisms, the energy diagram shown below corresponds to [4Pts] a. only the SN1 mechanism b. only the E1 mechanism c. both the SN2 and E2 mechanisms d. only the SN2 mechanism. e. only the E2 mechanism f. both the SN1 and El mechanisms energy rxn coordinate 22. If...
For the following reaction, which reaction will be faster (Left or Right)? Why? Click on the reaction that will be faster AND the right reason Br +CH OH — ory Br + CH, OH Left Right Because the correct reaction is SN1 and the incorrect reaction is E1. Substitution reactions are more stable than elimination reactions Because the correct reaction doesn't have a double bond. Double bonds make unstable carbocations Because the correct reaction has resonance. The resonance structures allow...
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....
Which of the following alkyl halides forms the most stable carbocation when it undergoes an E1 reaction? ão ao ar
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...
tso4 Explain two ways to increase the ratio of Hoffman elimination product to Zaitsev. 7. 8. In each of the following pairs, indicate the best nucleophile in methanol-explain your reasoning: a. Acetate or CH3CH20 b. CH3CH2S or CH3CH2O c. H20 or NH3 d. Br or CI e. t-Butanol or ethanol f. Cyclohexanol anion or phenoxide Predict all possible solvolysis products for the following compounds in ethanol. What kind of react mechanism is this? S1 SN2 E1
tso4 Explain two ways...
8. Which of the following is the most stable carbocation? Explain your answer. A) B) D) CH:CH: CH.CH CHCH,
1. Write the mechanism for the reaction of 1-butanol with HBr and include a brief explanation of the following points related to the mechanism. • Comment on the leaving group and briefly explain why this reaction requires acidic conditions. Explain briefly why this reaction proceeds via the SN2 mechanism, rather than the SN1 mechanism. (Hint: Explain why the direct substitution is favored. Explain why the reaction doesn't proceed via a carbocation intermediate.)
QUESTION 1 2 points Save Answer Which statement applies to halide S N 1, but NOT SN 2 substitution reactions? Reaction is favored because a weaker base is produced. The nucleophile substitutes the leaving group in the substrate. A carbocation intermediate is involved in the reaction Halogens act as leaving group. QUESTION 2 2 points Save Answer What is the expect product for the following reaction HCEN CHз Нс Br Cн Нас Br CH3 Нас CH3 Нас CN CH3 Hас...
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