Homework Answers
If it's SN2 reaction, with Ethyl iodide it will be faster and with trans-1-chloro-4-methylcyclohexane will be slow compared trans 1-iodo-4thylcyclohexane.
Ethyl iodide is primary carbon to be attacked than the secondary carbon in trans1-iodo-4methyl cyclohexane therefore more reactive and with carbon chlorine bond will be difficult to break compared to carbon iodine which account for it's lower reactivity of trans1-chloro-4-methyl cyclohexane.
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5. (2 pts) Wou ld the reaction above be faster or slower if each of the...
4. (4 pts) Label the nucleophile and electrophile and draw the products of the following Si2 reaction. Be sure to i...
4. (4 pts) Label the nucleophile and electrophile and draw the products of the following Si2 reaction. Be sure to indicate the appropriate stereochemistry. acetone N3 (2 pts) Would the reaction above be faster or slower if each of the following substrates were used instead of trans-1-iodo-4-methylcyclohexane? 5. a. iodoethane FASTER SLOWER b. trans-1-chloro-4-methylcyclohexane FASTER SLOWER
For number 4, I believe this is an Sn2 reaction, but unsure of the product(s). Please...
For number 4, I believe this is an Sn2 reaction, but unsure of
the product(s). Please explain and show work, thank you!
4. (4 pts) Label the nucleophile and electrophile and draw the products of the following SN2 reaction. Be sure to indicate the appropriate stereochemistry. acetone No (CH), CO 5. (2 pts) Would the reaction above be faster or slower if each of the following substrates were used instead of trans-1-lodo-4-methylcyclohexane? a. iodoethane FASTER SLOWER FASTER b. trans-1-chloro-4-methylcyclohexane SLOWER
4. Propose two synthetic routes to trans-1-methyl-2-(methylthio)cyclohexane (below) from the starting compound (a) cis-1-chloro-2-methylcyclohexane; (b) trans-1-chloro-2-...
4. Propose two synthetic routes to trans-1-methyl-2-(methylthio)cyclohexane (below) from the starting compound (a) cis-1-chloro-2-methylcyclohexane; (b) trans-1-chloro-2- methylcyclohexane. SCH CH3 5. Rank each of the following groups of substrates in order of decreasing S 2 reactivity. a. b. C. CHỊCH,CH,CI, CHÚCI, (CH, CH) CHOI (CH3),CHCH,CH,Br, (CH3),CHCH,Br, (CH3),CHBr CHỊCH,CI, CH, CH,I, (CH,),CHCl, CH2CH2Br
answer all 1. In each of the following, indicate which S2 reaction will occur faster. Explain...
answer all
1. In each of the following, indicate which S2 reaction will occur faster. Explain your reasoning. a. 1-bromo-2,2-dimethylpropane or 1-bromo-3-methylbutane with Nal in DMSO. b. 1-iodopentane with NaN, in ethanol or NaSCH, in ethanol, c. Reaction of isobutyl iodide with NaBr in acetone or in ethanol. 2. In each of the following, indicate which S, 1 reaction will occur faster. Explain your reasoning. a. Reaction of I-chloro-1-methylcyclohexane or 1-chloro-2-methylcyclohexane in aqueous ethanol. b. Reaction of 2-chloropentane or 3-bromohexane...
7. Identify the titrant in each pair that wou ld provide a greater pH change about the equivalence point in the tit...
7. Identify the titrant in each pair that wou ld provide a greater pH change about the equivalence point in the titration of a 0.100 M HCI solution. Explain your reasoning for your choice for each pair. a) 0.10 M dimethylamine ((CH3)2NH) or 0.10 M ethylamine (CH3CH2NH2) (2 pts) b) 0.10 M carbonate anion (CO32) or 0.10 M cyanide anion (CN) (2 pts)
1. a) Complete the balanced net ionic equation for these nucleophilic substitution reactions. b) State whether e...
1. a) Complete the balanced net ionic equation for these nucleophilic substitution reactions. b) State whether each reaction will occur by Sn1 or Sn2 mechanisms ma + o CH₃ H3C-50 + Y Z-I + CH3OH I Br + H2O 2. Which compound in the following pairs will react fast nd in the following pairs will react faster in an SN2 reaction? Give a reason why. a) 1 bromobutane or 2-bromobutane b) 2-bromo-2-methylpentane or 2-bromo-4-methylpentane? c) 1-chlorohexane or chlorocyclohexane? d) chloromethane...
Arrange the following chloroalkanes in order of increasing reactivity towards a S_N1 reaction: 1-chloro-2-methylbutane, 1-chloro-3-methylbutane, 2-chloro-2-methylbutane,...
Arrange the following chloroalkanes in order of increasing reactivity towards a S_N1 reaction: 1-chloro-2-methylbutane, 1-chloro-3-methylbutane, 2-chloro-2-methylbutane, 1-chloropentane (A complete answer will provide a bond line drawing of each of the compounds listed) For the same compounds found in question 1, list them in order of increasing reactivity towards an S_N2 reaction (list them as structures as well) Provide a bond line drawing of the product for the following reactions: (answer on back) a. (2S)-2-bromobutane + NaCN in acetone b. (3R)-3-iodo-1...
Methyl benzoate reacts . . . 1.slower than methyl nitrobenzoate 2.faster than methyl nitrobenzoate 3.slower than...
Methyl benzoate reacts . . . 1.slower than methyl nitrobenzoate 2.faster than methyl nitrobenzoate 3.slower than nitrobenzene 4.at the same rate as methyl nitrobenzoate 5.there is no predictable relationship in reactivity and Benzene would react . . . there is no predictable relationship in reactivity at the same rate as methyl benzoate slower than methyl nitrobenzoate faster than methyl benzoate slower than nitrobenzene
5. Explain how the following changes will influence the rate of the reaction of 2-bromo-2- methylbutane...
5. Explain how the following changes will influence the rate of the reaction of 2-bromo-2- methylbutane with methanol: a. The alkyl halide is changed to 2-chloro-2-methylbutane b. The alkyl halide is changed to 2-chloro-3-methylbutane 6. What product(s) do you predict for the following reactions? Be specific with regard to stereochemistry. Also, indicate which stereoisomer will be more predominant. a. R-2-bromopentane + CH30 b. R-3-bromo-3-metylheptane + CH3OH C. 1-bromo-2-butene + CH30 d. 1-bromo-2-butene + CH3OH e. E2 reaction of 2-bromobutane f....
4. (4 pts) Label the nucleophile and electrophile and draw the products of the following Si2 reaction. Be sure to indicate the appropriate stereochemistry. acetone N3 (2 pts) Would the reaction above be faster or slower if each of the following substrates were used instead of trans-1-iodo-4-methylcyclohexane? 5. a. iodoethane FASTER SLOWER b. trans-1-chloro-4-methylcyclohexane FASTER SLOWER
For number 4, I believe this is an Sn2 reaction, but unsure of
the product(s). Please explain and show work, thank you!
4. (4 pts) Label the nucleophile and electrophile and draw the products of the following SN2 reaction. Be sure to indicate the appropriate stereochemistry. acetone No (CH), CO 5. (2 pts) Would the reaction above be faster or slower if each of the following substrates were used instead of trans-1-lodo-4-methylcyclohexane? a. iodoethane FASTER SLOWER FASTER b. trans-1-chloro-4-methylcyclohexane SLOWER
4. Propose two synthetic routes to trans-1-methyl-2-(methylthio)cyclohexane (below) from the starting compound (a) cis-1-chloro-2-methylcyclohexane; (b) trans-1-chloro-2- methylcyclohexane. SCH CH3 5. Rank each of the following groups of substrates in order of decreasing S 2 reactivity. a. b. C. CHỊCH,CH,CI, CHÚCI, (CH, CH) CHOI (CH3),CHCH,CH,Br, (CH3),CHCH,Br, (CH3),CHBr CHỊCH,CI, CH, CH,I, (CH,),CHCl, CH2CH2Br
answer all
1. In each of the following, indicate which S2 reaction will occur faster. Explain your reasoning. a. 1-bromo-2,2-dimethylpropane or 1-bromo-3-methylbutane with Nal in DMSO. b. 1-iodopentane with NaN, in ethanol or NaSCH, in ethanol, c. Reaction of isobutyl iodide with NaBr in acetone or in ethanol. 2. In each of the following, indicate which S, 1 reaction will occur faster. Explain your reasoning. a. Reaction of I-chloro-1-methylcyclohexane or 1-chloro-2-methylcyclohexane in aqueous ethanol. b. Reaction of 2-chloropentane or 3-bromohexane...
7. Identify the titrant in each pair that wou ld provide a greater pH change about the equivalence point in the titration of a 0.100 M HCI solution. Explain your reasoning for your choice for each pair. a) 0.10 M dimethylamine ((CH3)2NH) or 0.10 M ethylamine (CH3CH2NH2) (2 pts) b) 0.10 M carbonate anion (CO32) or 0.10 M cyanide anion (CN) (2 pts)
1. a) Complete the balanced net ionic equation for these nucleophilic substitution reactions. b) State whether each reaction will occur by Sn1 or Sn2 mechanisms ma + o CH₃ H3C-50 + Y Z-I + CH3OH I Br + H2O 2. Which compound in the following pairs will react fast nd in the following pairs will react faster in an SN2 reaction? Give a reason why. a) 1 bromobutane or 2-bromobutane b) 2-bromo-2-methylpentane or 2-bromo-4-methylpentane? c) 1-chlorohexane or chlorocyclohexane? d) chloromethane...
Arrange the following chloroalkanes in order of increasing reactivity towards a S_N1 reaction: 1-chloro-2-methylbutane, 1-chloro-3-methylbutane, 2-chloro-2-methylbutane, 1-chloropentane (A complete answer will provide a bond line drawing of each of the compounds listed) For the same compounds found in question 1, list them in order of increasing reactivity towards an S_N2 reaction (list them as structures as well) Provide a bond line drawing of the product for the following reactions: (answer on back) a. (2S)-2-bromobutane + NaCN in acetone b. (3R)-3-iodo-1...
5. Explain how the following changes will influence the rate of the reaction of 2-bromo-2- methylbutane with methanol: a. The alkyl halide is changed to 2-chloro-2-methylbutane b. The alkyl halide is changed to 2-chloro-3-methylbutane 6. What product(s) do you predict for the following reactions? Be specific with regard to stereochemistry. Also, indicate which stereoisomer will be more predominant. a. R-2-bromopentane + CH30 b. R-3-bromo-3-metylheptane + CH3OH C. 1-bromo-2-butene + CH30 d. 1-bromo-2-butene + CH3OH e. E2 reaction of 2-bromobutane f....
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