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Q3. Classify each transformation as substitution, elimination, or addition HO OH (1 point) CO2 b. O...
1. Classify each reaction as substitution (S), elimination (E), or addition (A). 2. Draw out the...
1. Classify each reaction as substitution (S), elimination (E),
or addition (A).
2. Draw out the reaction steps shown based on the curved
arrows.
3. Based on the table of concentrations below, determine the
order for each reactant, and the overall order of the reaction. A +
B --> C
НО ОН OH ОН Br 《 人 We were unable to transcribe this image[A] [B] Relative rate 1.0 1.0 1.0 3.0 1.0 9.0 3.0 2.0 18
Classify each of the following organic reactions. Substitution Elimination Addition Type of Reaction Reaction OH CH2-CH...
Classify each of the following organic reactions. Substitution Elimination Addition Type of Reaction Reaction OH CH2-CH + HCN– CH3-CH-CN CH3-CH2-CH2-OH + HBr – CH3-CH2-CH2-Br + H2O CH3-CH=CH-CH3 + HBr – CH3-CH-CH2-CHz Br
A. Classify organic reaction below as either addition, elimination, rearrangement or substitution. For each reaction predict...
A.
Classify organic reaction below as either addition, elimination,
rearrangement or substitution. For each reaction predict whether
deltaS>0, deltaS<0, delta S~0
B. For reaction iv the equilibrium constant has been measured
as K=195. Calculate deltaG for this reaction at 25deg C giving
answer in KJ/mil. ( the most convenient form of R for this
calculation is R=8.314J/mol/K.
C. Using answer to (b) and (c) predict the sign of deltaH for
reaction (iv)
Cl OH +C Br + 2 HBr Br...
1. Classify the following reactions as: (Addition, Substitution and Elimination) 2. For the following alkene: (1)...
1. Classify the following reactions as: (Addition,
Substitution and Elimination)
2. For the following alkene: (1) Give the main product and
side products in each of the chemical reactions illustrated. Do not
forget to indicate the stereochemistry of the products when
relevant.
Brz CCl4. calor 2 H2 Pt HO- A A + HBO Br d. n coon Sola coal COCI (1) BH2-THF (2) HOM/HO- HBO H2O H2SO4 Cl2 H2O Brz CCl4
Classify each of the following organic reactions. Substitution Addition Elimination Type of Reaction Reaction CH3 CH3...
Classify each of the following organic reactions. Substitution Addition Elimination Type of Reaction Reaction CH3 CH3 CH3-CH=C-CH3 + H20 – CH3-CH2-C-CH3 OH CH3-CH2-CH=CH2 + HCI → CH3-CH2-CH-CH3 CI CH3-CH-CH2-CH3 + CH3-CH=CH-CH3 + HBr Br
CHO 1. NH2OH 2. Ac2o 3. CH,O CHO OH H- HO H HO H HCN H...
CHO 1. NH2OH 2. Ac2o 3. CH,O CHO OH H- HO H HO H HCN H OH OH H- OH H- -OH H- CH2OH CH2OH The Wohl degradation is a series of reactions that shorten an aldose chain by one carbon, it is almost the exact opposite of the Kiliani In this reaction the aldose aldehyde carbonyl group is converted into a nitrile. The resulting cyanohydrin loses HCN under basic cone Conversion of the aldehyde to a nitrile is accomplished...
Homework 7 - Due 10/29/19 at the beginning of class (4 pts) 1) Rank the following...
Homework 7 - Due 10/29/19 at the beginning of class (4 pts) 1) Rank the following alkens in order of decreasing heat of hydrogenation (1 = greatest heatest of hydrogenation: 4 smallest heat of hydrogenation) (0.5 pts) 2) Provide the major product(s) for the following reactions, S, 2 and E2 reaction will only give one major product (the substitution or elimination product), (0.5 pts each) SOCH Pyridine HCl (excess) Heat OH H2SO, H,0 • Å Nas DMF, 25 °C NaOH...
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...
CH,OH)02 [CO2]2(H20] c. Qc 19. A is a proton donor. a. Bronsted Base b. Bronsted Acid...
CH,OH)02 [CO2]2(H20] c. Qc 19. A is a proton donor. a. Bronsted Base b. Bronsted Acid c. Conjugate base d. Polymor 20. In order for a substance to act as a Bronst a. at least one double bond. b. at least one H* to donate. C. at least one single bond. d. at least one lone pair of electrons. 16. The Gibhbs energy for the reaction beiow is CH ( 50(p-3C0p-4no a. 0 b. -2108 kJmol c. -608.1 kmol d....
1. Classify each reaction as substitution (S), elimination (E),
or addition (A).
2. Draw out the reaction steps shown based on the curved
arrows.
3. Based on the table of concentrations below, determine the
order for each reactant, and the overall order of the reaction. A +
B --> C
НО ОН OH ОН Br 《 人 We were unable to transcribe this image[A] [B] Relative rate 1.0 1.0 1.0 3.0 1.0 9.0 3.0 2.0 18
Classify each of the following organic reactions. Substitution Elimination Addition Type of Reaction Reaction OH CH2-CH + HCN– CH3-CH-CN CH3-CH2-CH2-OH + HBr – CH3-CH2-CH2-Br + H2O CH3-CH=CH-CH3 + HBr – CH3-CH-CH2-CHz Br
A.
Classify organic reaction below as either addition, elimination,
rearrangement or substitution. For each reaction predict whether
deltaS>0, deltaS<0, delta S~0
B. For reaction iv the equilibrium constant has been measured
as K=195. Calculate deltaG for this reaction at 25deg C giving
answer in KJ/mil. ( the most convenient form of R for this
calculation is R=8.314J/mol/K.
C. Using answer to (b) and (c) predict the sign of deltaH for
reaction (iv)
Cl OH +C Br + 2 HBr Br...
1. Classify the following reactions as: (Addition,
Substitution and Elimination)
2. For the following alkene: (1) Give the main product and
side products in each of the chemical reactions illustrated. Do not
forget to indicate the stereochemistry of the products when
relevant.
Brz CCl4. calor 2 H2 Pt HO- A A + HBO Br d. n coon Sola coal COCI (1) BH2-THF (2) HOM/HO- HBO H2O H2SO4 Cl2 H2O Brz CCl4
Classify each of the following organic reactions. Substitution Addition Elimination Type of Reaction Reaction CH3 CH3 CH3-CH=C-CH3 + H20 – CH3-CH2-C-CH3 OH CH3-CH2-CH=CH2 + HCI → CH3-CH2-CH-CH3 CI CH3-CH-CH2-CH3 + CH3-CH=CH-CH3 + HBr Br
CHO 1. NH2OH 2. Ac2o 3. CH,O CHO OH H- HO H HO H HCN H OH OH H- OH H- -OH H- CH2OH CH2OH The Wohl degradation is a series of reactions that shorten an aldose chain by one carbon, it is almost the exact opposite of the Kiliani In this reaction the aldose aldehyde carbonyl group is converted into a nitrile. The resulting cyanohydrin loses HCN under basic cone Conversion of the aldehyde to a nitrile is accomplished...
Homework 7 - Due 10/29/19 at the beginning of class (4 pts) 1) Rank the following alkens in order of decreasing heat of hydrogenation (1 = greatest heatest of hydrogenation: 4 smallest heat of hydrogenation) (0.5 pts) 2) Provide the major product(s) for the following reactions, S, 2 and E2 reaction will only give one major product (the substitution or elimination product), (0.5 pts each) SOCH Pyridine HCl (excess) Heat OH H2SO, H,0 • Å Nas DMF, 25 °C NaOH...
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...
CH,OH)02 [CO2]2(H20] c. Qc 19. A is a proton donor. a. Bronsted Base b. Bronsted Acid c. Conjugate base d. Polymor 20. In order for a substance to act as a Bronst a. at least one double bond. b. at least one H* to donate. C. at least one single bond. d. at least one lone pair of electrons. 16. The Gibhbs energy for the reaction beiow is CH ( 50(p-3C0p-4no a. 0 b. -2108 kJmol c. -608.1 kmol d....
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