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5. For the following alkenes, indicate which can isomerize to more stable compounds (consider this to...
I. name the following compounds II. write structures for each of the followong structires III.Arrange alkenes from most...
I.
name the following compounds
II. write structures for each of the followong
structires
III.Arrange alkenes from most to least stable
IV. if rearrangement is expected, draw rearranged structure
for wach carbocation
V.
PLEASE HELP, ive been struggling in organic and this is the
review for our 3rd exam. if i can get help (and explanations) for
1-4 it would be a big help
CHM 2210 Examination 3 11/02/18 Directions: Please supply all answers in the spaces provided on both...
11) (50 pts total) Consider the following 2 compounds: Yor You I II (a) (6 pts)...
11) (50 pts total) Consider the following 2 compounds: Yor You I II (a) (6 pts) Provide the IUPAC names for compounds I and II. Compound I: Compound II: (b) (10 pts) Draw the resonance contributors of compounds I and II. Which compound is more stable? Explain in 20 words or less. (c) (6 pts) Which C-N bond below is shorter, A or B ? Explain in 20 words or less. (d) (6 pts) Draw the products obtained when compound...
Acid Catalyzed Hydration-treatment of alkenes with water in the presence of acid catalyst leads to the...
Acid Catalyzed Hydration-treatment of alkenes with water in the presence of acid catalyst leads to the formation of alcohols. H2SO4/H2O > 150°C Mechanism Major Product Acid catalyzed dehydration goes through a carbocation intermediate. This means that the Markovnikov product is obtained when carbocation rearrangements do not occur. The need for excessively high temperatures makes this reaction of limited use in laboratory synthesis. Oxymercuration - Oxymercuration involves the addition of Hg to the alkene using mercury (II) acetate Hg(OAc) followed by...
please answer all parts, thanks! 1. More substituted alkenes are more stable than less substituted alkenes....
please answer all parts, thanks!
1. More substituted alkenes are more stable than less substituted alkenes. Show the orbital overlap that helps to explain this observation. 2. Why is the heat of hydrogenation for an alkene exothermic? Analyze the bonds that are changing. AH = -30 kcal/mol Explain: + H2 3. Treating alkene "A" below with HBr can lead to a number of products. "A" SM + H-Br A bunch of products. For real, hella products. 3.A. Label the stereocenters...
Which of the following compounds is more stable? or A B A They have same stability...
Which of the following compounds is more stable? or A B A They have same stability B Onto which of the numbered atoms in this structure can the negative charge be moved by resonance delocalization? 8 4 5 3 7 HC 2 co 1 2, 4, 6 only 1, 3, 5, 8 only 1, 3, 5 only 2, 4, 6, 7 only Which Newman projection represents the most stable conformation of the following compound when viewed down the 2-3 carbon-carbon...
molecule F molecule G 10. (1pt.) Rank following alkenes from the most stable to the least...
molecule F molecule G 10. (1pt.) Rank following alkenes from the most stable to the least stable. Show your work by drawing each alkene. (leave 4) 1. (E)-hex-2-ene 2. 2,3-dimethylbut-2-ene 3. (E)-2-methylpent-2-ene 4. 3-methylpent-1-ene 5. (Z)-4-methylpent-2-ene 6. (2)-2-methylpent-2-ene The least stable the most stable (list numbers).
Can you explain how you came upon the answer also 1. Rank the following compounds in...
Can you explain how you came upon the answer also
1. Rank the following compounds in order of increasing stability (least to most stable). As you answer this question, think of why (give reasons) one molecule is more or less stable than another. 2. Predict the MAJOR product(s) for the reaction below. Pay close attention to stereochemistry. Provide a mechanism as to how you arrive with your answer. If your compound is chiral, indicate the configuration [(R) or (S)] of...
Name the following compounds. Don't forget to specify stercochemistry when appropriate 2. Draw the structures of...
Name the following compounds. Don't forget to specify stercochemistry when appropriate 2. Draw the structures of cis-2-ethylhexa-1,4-diene E-2,4-dimethylhexa-1,4-diene 3. Assign E or Z configuration to the following alkenes. (Circle highest priority groups) Br сн Вr сH,сн,Br NH2CH CH2CHCH CH,OH NH2 CH2CH2Br NEC Which of the following compounds that can exist as a mixture of stereoisomers? Draw each b. 1-chloro-2-methylbut-2-ene 4. a. 1-chloropropene c. 1,1-dichloroethene 5. Calculate the degree of unsaturation for codeine, CisHaiNO,. Show your work. 6. Rank the following...
help with this worksheet please! 1. Determine the radical stability with 1 the most stable and...
help with this worksheet please!
1. Determine the radical stability with 1 the most stable and 4 the least stable 2. What is the major product of 2-methylpropane mono-chlorination? Cl2 light 3. Calclate AH for chlorination of methane (DHe for CHa-H is 440 kJ/mol; DH° for Cl-Cl is 243 kJ/mol; DH° for CH3-Cl is 432 kJ/mol; and DH° for H-Cl is 353 kJ/mol 4. Draw structure of the most stable radical formed by hydrogen radical abstraction from 3- methylcyclohexene 5....
Please provide a detailed mechanims of 10-14 10. What is the major organic product obtained from...
Please provide a detailed mechanims of 10-14
10. What is the major organic product obtained from the following reaction? HOCH CHHCOH OH X | | . ANSWER: C 11. What is the major organic product obtained from the following reaction? لالالالا | | و له ANSWER: 12. Which of the following alkenes is most likely to undergo rearrangement upon acid-catalyzed hydration (treatment with aqueous H2SO4)? ا . |b 2 .3 و ANSWER: D 14. What is the major organic product...
I.
name the following compounds
II. write structures for each of the followong
structires
III.Arrange alkenes from most to least stable
IV. if rearrangement is expected, draw rearranged structure
for wach carbocation
V.
PLEASE HELP, ive been struggling in organic and this is the
review for our 3rd exam. if i can get help (and explanations) for
1-4 it would be a big help
CHM 2210 Examination 3 11/02/18 Directions: Please supply all answers in the spaces provided on both...
11) (50 pts total) Consider the following 2 compounds: Yor You I II (a) (6 pts) Provide the IUPAC names for compounds I and II. Compound I: Compound II: (b) (10 pts) Draw the resonance contributors of compounds I and II. Which compound is more stable? Explain in 20 words or less. (c) (6 pts) Which C-N bond below is shorter, A or B ? Explain in 20 words or less. (d) (6 pts) Draw the products obtained when compound...
Acid Catalyzed Hydration-treatment of alkenes with water in the presence of acid catalyst leads to the formation of alcohols. H2SO4/H2O > 150°C Mechanism Major Product Acid catalyzed dehydration goes through a carbocation intermediate. This means that the Markovnikov product is obtained when carbocation rearrangements do not occur. The need for excessively high temperatures makes this reaction of limited use in laboratory synthesis. Oxymercuration - Oxymercuration involves the addition of Hg to the alkene using mercury (II) acetate Hg(OAc) followed by...
please answer all parts, thanks!
1. More substituted alkenes are more stable than less substituted alkenes. Show the orbital overlap that helps to explain this observation. 2. Why is the heat of hydrogenation for an alkene exothermic? Analyze the bonds that are changing. AH = -30 kcal/mol Explain: + H2 3. Treating alkene "A" below with HBr can lead to a number of products. "A" SM + H-Br A bunch of products. For real, hella products. 3.A. Label the stereocenters...
Which of the following compounds is more stable? or A B A They have same stability B Onto which of the numbered atoms in this structure can the negative charge be moved by resonance delocalization? 8 4 5 3 7 HC 2 co 1 2, 4, 6 only 1, 3, 5, 8 only 1, 3, 5 only 2, 4, 6, 7 only Which Newman projection represents the most stable conformation of the following compound when viewed down the 2-3 carbon-carbon...
molecule F molecule G 10. (1pt.) Rank following alkenes from the most stable to the least stable. Show your work by drawing each alkene. (leave 4) 1. (E)-hex-2-ene 2. 2,3-dimethylbut-2-ene 3. (E)-2-methylpent-2-ene 4. 3-methylpent-1-ene 5. (Z)-4-methylpent-2-ene 6. (2)-2-methylpent-2-ene The least stable the most stable (list numbers).
Can you explain how you came upon the answer also
1. Rank the following compounds in order of increasing stability (least to most stable). As you answer this question, think of why (give reasons) one molecule is more or less stable than another. 2. Predict the MAJOR product(s) for the reaction below. Pay close attention to stereochemistry. Provide a mechanism as to how you arrive with your answer. If your compound is chiral, indicate the configuration [(R) or (S)] of...
Name the following compounds. Don't forget to specify stercochemistry when appropriate 2. Draw the structures of cis-2-ethylhexa-1,4-diene E-2,4-dimethylhexa-1,4-diene 3. Assign E or Z configuration to the following alkenes. (Circle highest priority groups) Br сн Вr сH,сн,Br NH2CH CH2CHCH CH,OH NH2 CH2CH2Br NEC Which of the following compounds that can exist as a mixture of stereoisomers? Draw each b. 1-chloro-2-methylbut-2-ene 4. a. 1-chloropropene c. 1,1-dichloroethene 5. Calculate the degree of unsaturation for codeine, CisHaiNO,. Show your work. 6. Rank the following...
help with this worksheet please!
1. Determine the radical stability with 1 the most stable and 4 the least stable 2. What is the major product of 2-methylpropane mono-chlorination? Cl2 light 3. Calclate AH for chlorination of methane (DHe for CHa-H is 440 kJ/mol; DH° for Cl-Cl is 243 kJ/mol; DH° for CH3-Cl is 432 kJ/mol; and DH° for H-Cl is 353 kJ/mol 4. Draw structure of the most stable radical formed by hydrogen radical abstraction from 3- methylcyclohexene 5....
Please provide a detailed mechanims of 10-14
10. What is the major organic product obtained from the following reaction? HOCH CHHCOH OH X | | . ANSWER: C 11. What is the major organic product obtained from the following reaction? لالالالا | | و له ANSWER: 12. Which of the following alkenes is most likely to undergo rearrangement upon acid-catalyzed hydration (treatment with aqueous H2SO4)? ا . |b 2 .3 و ANSWER: D 14. What is the major organic product...
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