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Determine whether each alkene below is E or Z. 2 pts ea HCO Rank the isomeric...
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).
3. a) Decide whether these alkenes should be described as E or Z. Only write the...
3. a) Decide whether these alkenes should be described as E or Z. Only write the full name if indicated you should. (also give full name) H Br b) Decide whether these arenes should be described as ortho, meta or para. pelom aid Br Br но. CI OH 4. a) Why is it unnecessary to use the cis/trans or E/Z labels label to describe the double bond geometry in a cyclohexene? oranunsbg2 sb b) Rank these alkenes in order of...
E. Rank the following alkenes from most (1) to least stable (4)
E. Rank the following alkenes from most (1) to least stable (4)
D Question 9 1 pts For each series of three isomeric compounds determine which one will...
D Question 9 1 pts For each series of three isomeric compounds determine which one will be the lowest in energy (most stable) The most stable compound in Series #1 is compound: I Select ] (Chapter 11) The most stable compound in Series #2 is compound: I Select ] # | (Chapter 3) The most stable compound in Series #3 is compound: I Select ] (Chapters 4811) Series #1: Me Me Series #2 H ме Me Me Me Me Me...
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...
What is the nucleophile in the following reaction (circle)? SHA SH HI A. B. E. Rank...
What is the nucleophile in the following reaction (circle)? SHA SH HI A. B. E. Rank the following alkenes from most (1) to least stable (4).
7. Look at the reaction below, and answer the questions. [6 pts) + (6)44 a) Predict...
7. Look at the reaction below, and answer the questions. [6 pts) + (6)44 a) Predict whether AS for this reaction is positive, negative or zero. b) This reaction is exergonic. Is the reaction exothermic or endothermic? c) Will this reaction be more or less favorable as the temperature increases? 8. On the axes below, sketch an energy diagram for an Sw1 reaction, which is overall exergonic. [4 pts) energy reaction coordinate 9. Rank each set of compounds in order...
1. Provide a systematic IUPAC name for the compound, including R/S and E/Z if appropriate. (3...
1. Provide a systematic IUPAC name for the compound, including R/S and E/Z if appropriate. (3 pts.) 2. Draw the bond-line structure of (2,4Z)-2,5-dibromo-3-methylhexa-2,4-diene. (3 pts.) 3. Label the most stable and the least stable alkene (4 pts.) 4. Consider the substitution reaction below. (4 pts.) NaSH DMF SH in why this reaction proceeds through an SN mechanism and not an S2 mechanism a) Explain why this reaction proces o b) Explain why this reaction produces a racemic mixture of...
1. (4 pts) Rank each of the following carbocations in order of stability (1 most stable...
1. (4 pts) Rank each of the following carbocations in order of stability (1 most stable and 4 least stable). н н сH н Н,с Н,с" H сH; CH3 Hас- H 2. (6 pts total; 2 pts each) Complete the following transformations by indicating the reactant structure or the major organic product(s). Place your answer(s) in the space provided. Be certain to indicate stereochemistry where applicable. Cl2 Он cat. H2SO H-о Br Br conc. HBra) сн сна 3. (10 pts...
1. Rank the following cyclic alkanes from most stable (1) to least stable (4). (2 pts)...
1. Rank the following cyclic alkanes from most stable (1) to least stable (4). (2 pts) 2. From the sawhorse projections below, circle the highest energy conformation for ethane. (2 pts) HH Hн HHH HH Hy Yo ΗΜΗ 3. Circle the chair conformation below that represents the lowest energy conformation for cis-1,3- dimethylcyclohexane? (2 pts) SSSSSS 4. In the figure below, identify the Newman projections by the letter (A, B, C, or D) which best describes each conformation for 1-chloropropane....
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).
3. a) Decide whether these alkenes should be described as E or Z. Only write the full name if indicated you should. (also give full name) H Br b) Decide whether these arenes should be described as ortho, meta or para. pelom aid Br Br но. CI OH 4. a) Why is it unnecessary to use the cis/trans or E/Z labels label to describe the double bond geometry in a cyclohexene? oranunsbg2 sb b) Rank these alkenes in order of...
E. Rank the following alkenes from most (1) to least stable (4)
D Question 9 1 pts For each series of three isomeric compounds determine which one will be the lowest in energy (most stable) The most stable compound in Series #1 is compound: I Select ] (Chapter 11) The most stable compound in Series #2 is compound: I Select ] # | (Chapter 3) The most stable compound in Series #3 is compound: I Select ] (Chapters 4811) Series #1: Me Me Series #2 H ме Me Me Me Me Me...
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...
What is the nucleophile in the following reaction (circle)? SHA SH HI A. B. E. Rank the following alkenes from most (1) to least stable (4).
7. Look at the reaction below, and answer the questions. [6 pts) + (6)44 a) Predict whether AS for this reaction is positive, negative or zero. b) This reaction is exergonic. Is the reaction exothermic or endothermic? c) Will this reaction be more or less favorable as the temperature increases? 8. On the axes below, sketch an energy diagram for an Sw1 reaction, which is overall exergonic. [4 pts) energy reaction coordinate 9. Rank each set of compounds in order...
1. Provide a systematic IUPAC name for the compound, including R/S and E/Z if appropriate. (3 pts.) 2. Draw the bond-line structure of (2,4Z)-2,5-dibromo-3-methylhexa-2,4-diene. (3 pts.) 3. Label the most stable and the least stable alkene (4 pts.) 4. Consider the substitution reaction below. (4 pts.) NaSH DMF SH in why this reaction proceeds through an SN mechanism and not an S2 mechanism a) Explain why this reaction proces o b) Explain why this reaction produces a racemic mixture of...
1. (4 pts) Rank each of the following carbocations in order of stability (1 most stable and 4 least stable). н н сH н Н,с Н,с" H сH; CH3 Hас- H 2. (6 pts total; 2 pts each) Complete the following transformations by indicating the reactant structure or the major organic product(s). Place your answer(s) in the space provided. Be certain to indicate stereochemistry where applicable. Cl2 Он cat. H2SO H-о Br Br conc. HBra) сн сна 3. (10 pts...
1. Rank the following cyclic alkanes from most stable (1) to least stable (4). (2 pts) 2. From the sawhorse projections below, circle the highest energy conformation for ethane. (2 pts) HH Hн HHH HH Hy Yo ΗΜΗ 3. Circle the chair conformation below that represents the lowest energy conformation for cis-1,3- dimethylcyclohexane? (2 pts) SSSSSS 4. In the figure below, identify the Newman projections by the letter (A, B, C, or D) which best describes each conformation for 1-chloropropane....
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