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3. The addition of a small amount of iodide anions can catalyze the following reaction. Explain...
are these correct? if not, can you explain? thanks! 6. Rank the following, with 1 being...
are
these correct? if not, can you explain? thanks!
6. Rank the following, with 1 being highest/most. (2 points each, 16 points) Stability Stability Heat of Hydrogenation Reactivity towards Cl2 addition (No Lewis acid, no hv) d. 2 Br Reactivity towards Sn2 attack by NaOCH, H H - Br I Br Cation Stability. (Remember that other resonance structures also pertain and impact the overall stability of the cations.) Br Насо 3 Reactivity towards reaction with cyclopentadiene Reactivity towards Sn1 substitution...
Consider the preparation of an addition polymer by a radical chain reaction Q. 2 (a) Give...
Consider the preparation of an addition polymer by a radical chain reaction Q. 2 (a) Give the polymers that can be formed from each of the following monomers and show the repeating unit in each case CI OMe (b) Describe the key steps in a radical chain growth polymerisation. What is "head to tail" addition and explain why it preferentially occurs (c) (d) Show the resonance stabilisation for the radical formed where possible for each of the monomers given in...
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
Classify each of the following organic reactions. Substitution Elimination Addition Type of Reaction Reaction CH3-CH2-CH2-CH3 +...
Classify each of the following organic reactions. Substitution Elimination Addition Type of Reaction Reaction CH3-CH2-CH2-CH3 + Cl2 → CH2-CH2-CH2-CH3 + HCI CI CH3-CH=CH-CH3 + Cl2 → CH3-CH-CH-CH3 CICI CH3-CH2-CH-CH3 - CH3-CH2-CH=CH2 + HCI
8. For the reaction below dentify the nucleophile and the electro 9. The following reaction can...
8. For the reaction below dentify the nucleophile and the electro 9. The following reaction can be classified as a a) Addition b) rearrangement 10. Which of the following has the weakest bond between its atoms c) substitution d) Oxidation Brb ) Cic ) HBr d) HCI Short Answers: 11. A) Calculate the heat of the reaction given the bond dissociation energies. (5 pts) (CH),C-H + CI-CI → (CH3),c-ci + HCI 12. Give the structure of 3-Methylpentane (3 pts)
1. Draw an electrophilic addition that illustrates 1,2-versus 1,4-addition. Using this reaction, explain Kinetic versus Thermodynamic...
1. Draw an electrophilic addition that illustrates 1,2-versus 1,4-addition. Using this reaction, explain Kinetic versus Thermodynamic products. 2. Explain resonance hybrid and draw an example that has at least 3 reasonance forms. 3. Draw a typical Diel-Alder reaction. Show the mechanism for your reaction 4. Use the inscribed polygon techiques to illustrate why benzene is aromatic and cyclopentadiene is not 5. Draw the general mechanism for electrophilic aromatic substitution 6. Explain how substituents on the aromatic ring activate or slow...
Add the following questions to the final report: a) Why does the carbomethoxy group directs the...
Add the following questions to the final report: a) Why does the carbomethoxy group directs the reaction to positions that are meta to it? b) Why the formation of dinitrobenzaote is substantially disfavored ? c) Would you expect small amounts of the ortho and para substituted product? How would you remove them if they are formed ? d) Why does water have a retarding effect on the nitration ? e) Explain why Benzene has lower reactivity in electrophilic addition reactions...
Can you please explain how to solve only 7.62 and 7.64? As well as 6.28 a...
Can you please explain how to solve only 7.62 and 7.64? As well
as 6.28 a and b.
Rank the three carbocations shown in terms of increasing stability: 6.28 (a) nobicnensh (b) owllo or 3 DE 7.62 Predict the stereochemical outcome for each of the following E reactions. In each case, draw only the major product of the reaction (a) ? NaOH (b) CN Br (a) (c) ? NaOH in the substrate. in the product. CI (b) (d) of configuration?...
1)Explain using drawings why acetaldehyde reacts faster than acetone to nucleophilic acyl addition. 2) 3)What is...
1)Explain using drawings why acetaldehyde
reacts faster than acetone to nucleophilic acyl addition.
2)
3)What is the major purpose of pyridine in nucleophile acyl
substitution reactions (for example, a reaction including an acid
chloride with pyridine)?
i. What is the purpose of the cyclic acetal in the following reaction? ii. Draw the product formed if the original starting material was treated with 1. LiAlH4 & 2. H20 (i.e. what would happen if the 1st and 3rd reactions were not performed?)...
3. This reaction can be used to analyze for iodide ion. 10 g + 5 +...
3. This reaction can be used to analyze for iodide ion. 10 g + 5 + 6H ) ------→ 313 + 3H2O) When the rate of this reaction was studied at 25 °C, the results in the table were obtained. a. Use these data to determine the order of the reaction with respect to each of these species. Outline your reasoning in each case. [T], M [10, ), M [H],M Reaction rate, mol/L's 0.010 0.10 0.010 0.60 0.040 0.10 0.010...
are
these correct? if not, can you explain? thanks!
6. Rank the following, with 1 being highest/most. (2 points each, 16 points) Stability Stability Heat of Hydrogenation Reactivity towards Cl2 addition (No Lewis acid, no hv) d. 2 Br Reactivity towards Sn2 attack by NaOCH, H H - Br I Br Cation Stability. (Remember that other resonance structures also pertain and impact the overall stability of the cations.) Br Насо 3 Reactivity towards reaction with cyclopentadiene Reactivity towards Sn1 substitution...
Consider the preparation of an addition polymer by a radical chain reaction Q. 2 (a) Give the polymers that can be formed from each of the following monomers and show the repeating unit in each case CI OMe (b) Describe the key steps in a radical chain growth polymerisation. What is "head to tail" addition and explain why it preferentially occurs (c) (d) Show the resonance stabilisation for the radical formed where possible for each of the monomers given in...
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
Classify each of the following organic reactions. Substitution Elimination Addition Type of Reaction Reaction CH3-CH2-CH2-CH3 + Cl2 → CH2-CH2-CH2-CH3 + HCI CI CH3-CH=CH-CH3 + Cl2 → CH3-CH-CH-CH3 CICI CH3-CH2-CH-CH3 - CH3-CH2-CH=CH2 + HCI
8. For the reaction below dentify the nucleophile and the electro 9. The following reaction can be classified as a a) Addition b) rearrangement 10. Which of the following has the weakest bond between its atoms c) substitution d) Oxidation Brb ) Cic ) HBr d) HCI Short Answers: 11. A) Calculate the heat of the reaction given the bond dissociation energies. (5 pts) (CH),C-H + CI-CI → (CH3),c-ci + HCI 12. Give the structure of 3-Methylpentane (3 pts)
Add the following questions to the final report: a) Why does the carbomethoxy group directs the reaction to positions that are meta to it? b) Why the formation of dinitrobenzaote is substantially disfavored ? c) Would you expect small amounts of the ortho and para substituted product? How would you remove them if they are formed ? d) Why does water have a retarding effect on the nitration ? e) Explain why Benzene has lower reactivity in electrophilic addition reactions...
Can you please explain how to solve only 7.62 and 7.64? As well
as 6.28 a and b.
Rank the three carbocations shown in terms of increasing stability: 6.28 (a) nobicnensh (b) owllo or 3 DE 7.62 Predict the stereochemical outcome for each of the following E reactions. In each case, draw only the major product of the reaction (a) ? NaOH (b) CN Br (a) (c) ? NaOH in the substrate. in the product. CI (b) (d) of configuration?...
1)Explain using drawings why acetaldehyde
reacts faster than acetone to nucleophilic acyl addition.
2)
3)What is the major purpose of pyridine in nucleophile acyl
substitution reactions (for example, a reaction including an acid
chloride with pyridine)?
i. What is the purpose of the cyclic acetal in the following reaction? ii. Draw the product formed if the original starting material was treated with 1. LiAlH4 & 2. H20 (i.e. what would happen if the 1st and 3rd reactions were not performed?)...
3. This reaction can be used to analyze for iodide ion. 10 g + 5 + 6H ) ------→ 313 + 3H2O) When the rate of this reaction was studied at 25 °C, the results in the table were obtained. a. Use these data to determine the order of the reaction with respect to each of these species. Outline your reasoning in each case. [T], M [10, ), M [H],M Reaction rate, mol/L's 0.010 0.10 0.010 0.60 0.040 0.10 0.010...
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