Homework Answers
Alcohols react with acid by the elimination of water they given
product is alkene 
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3) The following reaction is similar to the dehydration of 2-methylcyclohexanol. However, a significant amount of...
pls help with the mechanism 1. In the Dehydration of 2-Butanol reaction, the following three products...
pls help with the mechanism
1. In the Dehydration of 2-Butanol reaction, the following three products are obtained. Write a reasonable mechanism for the formation of these products. Make sure you show all intermediates, formal charges, and use curved arrows to track the flow of electrons. OH Ht heat 2-butandl
3. (15 points) 1) Consider both reactions A and B below. Both reactions start from alkenes...
3. (15 points) 1) Consider both reactions A and B below. Both reactions start from alkenes to generate the same alcohol. However, the mechanism is distinct for reaction A and reaction B. H/HO HO H*/H20 но 1) Propose a reasonable mechanism for reaction A, with curved arrows for each step. 2) Propose a reasonable mechanism for reaction B, with curved arrows for each step. Question 3 continues 3) In the space below, describe the rate determining step for both reaction...
Chemistry 2401 Experiment 7 Acid Catalyzed Dehydration of 3.3-Dimethyl-2-Butanol with Rearrangement Experiment 7 Pre-lab Assignment Dehydration...
Chemistry 2401 Experiment 7 Acid Catalyzed Dehydration of 3.3-Dimethyl-2-Butanol with Rearrangement Experiment 7 Pre-lab Assignment Dehydration of 3,3-Dimethyl-2-Butanol 1. Draw the structures of all the expected products from the following reactions: a) 3-methyl-3-pentanol + H = b)2-methylcyclohexanol + H - c) 2-methyl-2-butanol + H - d) 2,2-dimethylcyclohexanol + H = This reaction will give a complex mixture of products, since rearrangements can occur. Show the full mechanism for this reaction and how the possible products can form from the carbocation...
please complete all 3 parts! 2. (19pts) The al cohol dehydration product below is of the...
please complete all 3 parts!
2. (19pts) The al cohol dehydration product below is of the El type elimination. (i) Draw all of the alkene products that could possibly form. (ii) Circle the major alkene product expected. (ii) Draw a complete curved arrow-pushing mechanism illustrating how the major product is formed. Be sure to include all arrows, intermediate structures, and formal charges. (part i-9pts; part ii- 2pts; part iii - 8pts) H-O-S-O-H (catalyst) Он Draw the possible products and circle...
Draw curved arrows to show the movement of electrons in this step of the mechanism.
Electrophilic addition of hypohalous acids to alkenes yields a 1,2-haloalcohol called a halohydrin. Halohydrin formation, however, does not result from the addition of HO-Br, for example. Instead the addition is done indirectly by reaction of the alkene with Br2 in the presence of water. The reaction also works with Cl2 to give chlorohydrins instead of bromohydrins. The reaction proceeds through a cyclic intermediate known as a bromonium ion. In the second step of the reaction, water is the nucleophile and reacts with the...
2 problems REVIEW Topics [References) CH HC OCH Br2 CH3 B H3C CH,OH H₂C CH₂ Electrophilic...
2 problems
REVIEW Topics [References) CH HC OCH Br2 CH3 B H3C CH,OH H₂C CH₂ Electrophilic addition of hypohalous acids to alkenes yields a 1,2-haloalcohol called a halohydrin. Halohydrin formation, however, does not result from the addition of HOBr, for example. Instead the addition is done indirectly by reaction of the alkene with Br, in the presence of water. The reaction also works with Cl2 to give chlorohydrins instead of bromohydrins. The reaction proceeds through a cyclic intermediate known as...
11. a) Provide the two substituenproductsforthe followingSNI reaction: (6…) OH b) Show the mechanism for the...
11. a) Provide the two substituenproductsforthe followingSNI reaction: (6…) OH b) Show the mechanism for the formation of the 1.2 and 1.4-addition products sho reaction below: (10 points) H-Br c) Using curved arrows, show the product of the following Diels-Alder r mechanism for its formation:(9 points)
(1) Provide the structure of product A and B respectively. (2) Also, write out a reaction...
(1) Provide the structure of product A and
B respectively. (2) Also, write out a reaction
mechanism for the formation of either A or B; use
curved arrows to indicated the electron flow.
о НО. У ОН В. А? H2SO4 (catalyst) pH 4.5
Problem 2 Use curved arrows to show mechanisms for both of the following reactions; the second...
Problem 2 Use curved arrows to show mechanisms for both of the following reactions; the second reaction produces a single product. Predict the structure of product A using your mechanism. In order to explain the regioselectivity in the formation of product A, include a detailed resonance analysis of the mechanism (i.e. show all resonance forms of the carbocation that contribute to the selectivity). Please also explain the observed selectivity in a few sentences. Bn z AICI:
can somebody explain this. how we get the product plzz 311 7.11 CARBOCATION STABILITY PRACTICE PROBLEM...
can somebody explain this. how we get the product
plzz
311 7.11 CARBOCATION STABILITY PRACTICE PROBLEM 7.18 When the compound called isoborneol is heated with 9 M sulfuric acid, the product of the reaction is the compound called camphene and not bornylene, as one might expect. Using models to assist you, write a step-by-step mechanism showing how camphene is formed. HO H,O+ not heat Bornylene Camphene Isoborneol 7.11B Rearrangement After Dehydration of a Primary Alcohol Rearrangements also accompany the dehydration...
pls help with the mechanism
1. In the Dehydration of 2-Butanol reaction, the following three products are obtained. Write a reasonable mechanism for the formation of these products. Make sure you show all intermediates, formal charges, and use curved arrows to track the flow of electrons. OH Ht heat 2-butandl
3. (15 points) 1) Consider both reactions A and B below. Both reactions start from alkenes to generate the same alcohol. However, the mechanism is distinct for reaction A and reaction B. H/HO HO H*/H20 но 1) Propose a reasonable mechanism for reaction A, with curved arrows for each step. 2) Propose a reasonable mechanism for reaction B, with curved arrows for each step. Question 3 continues 3) In the space below, describe the rate determining step for both reaction...
Chemistry 2401 Experiment 7 Acid Catalyzed Dehydration of 3.3-Dimethyl-2-Butanol with Rearrangement Experiment 7 Pre-lab Assignment Dehydration of 3,3-Dimethyl-2-Butanol 1. Draw the structures of all the expected products from the following reactions: a) 3-methyl-3-pentanol + H = b)2-methylcyclohexanol + H - c) 2-methyl-2-butanol + H - d) 2,2-dimethylcyclohexanol + H = This reaction will give a complex mixture of products, since rearrangements can occur. Show the full mechanism for this reaction and how the possible products can form from the carbocation...
please complete all 3 parts!
2. (19pts) The al cohol dehydration product below is of the El type elimination. (i) Draw all of the alkene products that could possibly form. (ii) Circle the major alkene product expected. (ii) Draw a complete curved arrow-pushing mechanism illustrating how the major product is formed. Be sure to include all arrows, intermediate structures, and formal charges. (part i-9pts; part ii- 2pts; part iii - 8pts) H-O-S-O-H (catalyst) Он Draw the possible products and circle...
2 problems
REVIEW Topics [References) CH HC OCH Br2 CH3 B H3C CH,OH H₂C CH₂ Electrophilic addition of hypohalous acids to alkenes yields a 1,2-haloalcohol called a halohydrin. Halohydrin formation, however, does not result from the addition of HOBr, for example. Instead the addition is done indirectly by reaction of the alkene with Br, in the presence of water. The reaction also works with Cl2 to give chlorohydrins instead of bromohydrins. The reaction proceeds through a cyclic intermediate known as...
11. a) Provide the two substituenproductsforthe followingSNI reaction: (6…) OH b) Show the mechanism for the formation of the 1.2 and 1.4-addition products sho reaction below: (10 points) H-Br c) Using curved arrows, show the product of the following Diels-Alder r mechanism for its formation:(9 points)
(1) Provide the structure of product A and
B respectively. (2) Also, write out a reaction
mechanism for the formation of either A or B; use
curved arrows to indicated the electron flow.
о НО. У ОН В. А? H2SO4 (catalyst) pH 4.5
Problem 2 Use curved arrows to show mechanisms for both of the following reactions; the second reaction produces a single product. Predict the structure of product A using your mechanism. In order to explain the regioselectivity in the formation of product A, include a detailed resonance analysis of the mechanism (i.e. show all resonance forms of the carbocation that contribute to the selectivity). Please also explain the observed selectivity in a few sentences. Bn z AICI:
can somebody explain this. how we get the product
plzz
311 7.11 CARBOCATION STABILITY PRACTICE PROBLEM 7.18 When the compound called isoborneol is heated with 9 M sulfuric acid, the product of the reaction is the compound called camphene and not bornylene, as one might expect. Using models to assist you, write a step-by-step mechanism showing how camphene is formed. HO H,O+ not heat Bornylene Camphene Isoborneol 7.11B Rearrangement After Dehydration of a Primary Alcohol Rearrangements also accompany the dehydration...
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