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Which of the following compounds would be the least reactive...
1. Given the following structures that react by Sn1, which would react fastest and which would...
1. Given the following structures that react by Sn1, which would react fastest and which would react slowest. Give reasoning. 5-bromo-1,3-pentadiene, bromocyclopentane, (R)-2-bromo-2-methylhexane. 2.If bromocyclohexane reacts faster than chlorocyclohexane in an Sn2 reaction, what could be the reason? 3.You wish to substitute the bromine in the following molecules with a nucleophile. Explain whether the given molecule would react by Sn1 or Sn2 mechanism and explain why. 1-methyl-1-bromo-cyclohexane, 1-bromopropane, 2-bromohexane. 4. Why does benzyl bromide react under both Sn1 and Sn2...
for each pair of compounds, state which is the better SN2 substrate 2-methyl-1-iodopropane or tert-butyl iodide...
for each pair of compounds, state which is the better SN2
substrate
2-methyl-1-iodopropane or tert-butyl iodide 2-methyl-1-iodopropane O tert-butyl iodide Submit Request Answer Part B cyclohexyl bromide or 1-bromo-1-methylcyclohexane 1-bromo-1-methylcyclohexane cyclohexyl bromide 2-bromobutane or isopropyl bromide O isopropyl bromide 2-bromobutane Submit Request Answer Part D 1-chloro-2,2-dimethylbutane or 2-chlorobutane O 1-chloro-2,2-dimethylbutane 2-chlorobutane 1-iodobutane or 2-iodopropane O 2-iodopropane O 1-iodobutane Submit Request Answer
C. Indicate which is the late-detemning step. d. Is it the same mechanism as in question...
C. Indicate which is the late-detemning step. d. Is it the same mechanism as in question 1? Why or why not? 3. Explain why El and Sx1 mechanisms follow first order reaction kinetics, whereas E2 and SN2 mechanisms follow second order reaction kinetics. 4. Which is the better nucleophile in a protic solvent: chloride ion or bromide ion? Try to explain this in terms of the nature of the chloride ion and the bromide ion. 5. For the synthesis of...
organic chemistry Question 8 Which of the following compound is more reactive than benzene in electrophilic...
organic chemistry
Question 8 Which of the following compound is more reactive than benzene in electrophilic aromatic substitution? O A methylbenzene ОВ. bromobenzene oc benzaldehyde OD. chlorobenzene O E nitrobenzene
organic chemistry Part A Which of the following compounds has a stereoisomer that is a meso...
organic chemistry
Part A Which of the following compounds has a stereoisomer that is a meso compound? Check all that apply. 1,2-difluorocyclobutane 2,4-dimethylpentane 2,4-dichloropentane 1,3-dibromocyclohexane I 2,4-dichlorohexane 0 1,4-dibromocyclohexane
7) Which of the following compounds would be least reactive toward electrophilic substitution? ofO2 to a)...
7) Which of the following compounds would be least reactive toward electrophilic substitution? ofO2 to a) 1 b) II c) III d) IV e) v
UW, Intro Organic Chemistry, 6e Help System Announcements Question 7 Which statements are true for Sn2...
UW, Intro Organic Chemistry, 6e Help System Announcements Question 7 Which statements are true for Sn2 reactions of haloalkanes? The greater the nucleophilicity of the nucleophile, the greater the rate of reaction. O Both the haloalkane and the nucleophile are involved in the transition state. Reaction results in the loss of optical activity. The reaction proceeds with inversion of configuration at the substitution center. The order of reactivity is 3° > 2° > 1° > methyl. The nucleophile must have...
organic chemistry revision problems. stuck on this page. 9. Which of the following compounds are aromatic?...
organic chemistry revision problems. stuck on this
page.
9. Which of the following compounds are aromatic? For those that are not provide a reason 10. Consider the following alkyl chlorides. Which would you expect to undergo an Syl substitution most readily? Justify your answer 11. Which of the following would you expect to be most acidic? Justify your answer. 12. Which of the following would you expect to be the stronger base? Justify your answer. 13. For each of the...
Question 23 By what mechanism would the following compounds react? Br - ?? Sw1 • 512...
Question 23 By what mechanism would the following compounds react? Br - ?? Sw1 • 512 Question 21 Which of the following would increase the proportion of a substitution reaction that proceeds via a 5x2 mechanism, rather than Sw1? (choose all correct answers) Use a less reactive nucleophile. Use a more highly substituted alkyl halide. Increase the concentration of the alkyl halide. Increase the concentration of the nucleophile
CH3 (4) 1. Which of the following alkyl halides would you expect to be most reactive...
CH3 (4) 1. Which of the following alkyl halides would you expect to be most reactive in a unimolecular reaction? a) C&H, CH, CH, CH, BY b) CH 1 CH CH Br C) CH11CCH, Br d) C6H CH2 CH CHỊ CHỊ CH3 CHỊ e) C&H, CCH Br CHE (4) 2. What would you expect to be the chief organic product(s) when tert-butyl bromide reacts with sodium acetylide, i.e., CH3 + - CH2-C-Br + Na :CECH — ? CH a) I...
for each pair of compounds, state which is the better SN2
substrate
2-methyl-1-iodopropane or tert-butyl iodide 2-methyl-1-iodopropane O tert-butyl iodide Submit Request Answer Part B cyclohexyl bromide or 1-bromo-1-methylcyclohexane 1-bromo-1-methylcyclohexane cyclohexyl bromide 2-bromobutane or isopropyl bromide O isopropyl bromide 2-bromobutane Submit Request Answer Part D 1-chloro-2,2-dimethylbutane or 2-chlorobutane O 1-chloro-2,2-dimethylbutane 2-chlorobutane 1-iodobutane or 2-iodopropane O 2-iodopropane O 1-iodobutane Submit Request Answer
C. Indicate which is the late-detemning step. d. Is it the same mechanism as in question 1? Why or why not? 3. Explain why El and Sx1 mechanisms follow first order reaction kinetics, whereas E2 and SN2 mechanisms follow second order reaction kinetics. 4. Which is the better nucleophile in a protic solvent: chloride ion or bromide ion? Try to explain this in terms of the nature of the chloride ion and the bromide ion. 5. For the synthesis of...
organic chemistry
Question 8 Which of the following compound is more reactive than benzene in electrophilic aromatic substitution? O A methylbenzene ОВ. bromobenzene oc benzaldehyde OD. chlorobenzene O E nitrobenzene
organic chemistry
Part A Which of the following compounds has a stereoisomer that is a meso compound? Check all that apply. 1,2-difluorocyclobutane 2,4-dimethylpentane 2,4-dichloropentane 1,3-dibromocyclohexane I 2,4-dichlorohexane 0 1,4-dibromocyclohexane
7) Which of the following compounds would be least reactive toward electrophilic substitution? ofO2 to a) 1 b) II c) III d) IV e) v
UW, Intro Organic Chemistry, 6e Help System Announcements Question 7 Which statements are true for Sn2 reactions of haloalkanes? The greater the nucleophilicity of the nucleophile, the greater the rate of reaction. O Both the haloalkane and the nucleophile are involved in the transition state. Reaction results in the loss of optical activity. The reaction proceeds with inversion of configuration at the substitution center. The order of reactivity is 3° > 2° > 1° > methyl. The nucleophile must have...
organic chemistry revision problems. stuck on this
page.
9. Which of the following compounds are aromatic? For those that are not provide a reason 10. Consider the following alkyl chlorides. Which would you expect to undergo an Syl substitution most readily? Justify your answer 11. Which of the following would you expect to be most acidic? Justify your answer. 12. Which of the following would you expect to be the stronger base? Justify your answer. 13. For each of the...
Question 23 By what mechanism would the following compounds react? Br - ?? Sw1 • 512 Question 21 Which of the following would increase the proportion of a substitution reaction that proceeds via a 5x2 mechanism, rather than Sw1? (choose all correct answers) Use a less reactive nucleophile. Use a more highly substituted alkyl halide. Increase the concentration of the alkyl halide. Increase the concentration of the nucleophile
CH3 (4) 1. Which of the following alkyl halides would you expect to be most reactive in a unimolecular reaction? a) C&H, CH, CH, CH, BY b) CH 1 CH CH Br C) CH11CCH, Br d) C6H CH2 CH CHỊ CHỊ CH3 CHỊ e) C&H, CCH Br CHE (4) 2. What would you expect to be the chief organic product(s) when tert-butyl bromide reacts with sodium acetylide, i.e., CH3 + - CH2-C-Br + Na :CECH — ? CH a) I...
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