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27. Which of the following alkylhalides undergoes the faaet Se2 reaction with sodium aride,NaN Name: 23....
Which of the following represents the transition state of the rate-determining step in the reaction between...
Which of the following represents the transition state of the rate-determining step in the reaction between 2-bromopropane and sodium methoxide leading to crimination? 1 2 3 4 Which of the following represents the transition state of the reaction between methyl iodide and ammonia? 1 2 3 4 What is the major product formed upon treatment of (R) 2-bromohexane with sodium cyanide? (R) 2-cyanohexane (S) 2-cyanohexane 1-hexene 2-hexene
Which of the following alkyl halides undergoes the fastest SN2 reaction with sodium cyanide, NaCN? ID:...
Which of the following alkyl halides undergoes the fastest SN2
reaction with sodium cyanide, NaCN?
ID: A 10. Which ot the tollowing aakyi nauraes undergoes the tastest sNL reacuon wnun soarum cyaniue. Ra a. methyl iodide b. ethyl iodide c. 2-iodopropane d. tert-butyl iodide
VULA TUN IL Which of the following undergoes a substitution reaction with sodium cyanide in DMSO...
VULA TUN IL Which of the following undergoes a substitution reaction with sodium cyanide in DMSO at the fastest rate? CH3CH2C1 CH3CH 21 CH3CH 2Br OCH3CH 2F
Name: 5. Identify the correct statement for the given reactions given. - Reaction A Reaction B...
Name: 5. Identify the correct statement for the given reactions given. - Reaction A Reaction B Room Temp. CH, a. Reaction A is an allylic halogenation reaction, and reaction B is an electrophilic addition reaction. b. Reaction A is an electrophilic addition reaction, and reaction B is an allylic substitution reaction. c. Reactions A and B are allylic substitution reactions. d. Reaction A is a displacement reaction, and reaction B is an allylic halogenation reaction. 6. The reaction of methyl...
1.1 What is the equation for the rate of formation of tert-butyl alcohol from the reaction...
1.1 What is the equation for the rate of formation of tert-butyl
alcohol from the reaction of tert-butyl bromide (t-BuBr) with water
by an SN1 mechanism?
A. Rate= k[t-BuBr]
B Rate=k[ t-BuBr][H2O]
C. Rate=k[ H2O]
D. Rate=k[t-BuBr]^2
1.2 What is the equation for the rate of formation of
1-iodobutane from the reaction of 1-chlorobutane (BuCl) with NaI by
an SN2 mechanism?
A. Rate=k[BuCl]
B. Rate=k[BuCl][NaI]
C. Rate=k[NaI]
D. Rate=k[BuCl]^2
1.3 What is the equation for the rate of formation of...
1.1 In which of the following solvents would the reaction of 1-bromobutane with sodium azide,NaN3, proceed...
1.1 In which of the following solvents would the reaction of
1-bromobutane with sodium azide,NaN3, proceed the fastest?
a.aceticacid
b.ethanol
c.water
d.acetonitrile
1.2 Which of the following solvents is the best choice for the
reaction of 1-chlorohexane with sodium bromide?
a.dimethylsulfoxide
b.water
c.hexane
d.toluene,PhCH3
1.3 Which of the following is most likely to undergo
rearrangement during reaction with methanol?
1.4 Name which energy diagrams represents the course of an
exothermic SN1, SN2,E1, or E2 reaction?
1.5 Which of the following...
1. Which of the following undergoes the fastest substitution reaction with sodium hydroxide? Why? A. fluorobenzen...
1. Which of the following undergoes the fastest substitution reaction with sodium hydroxide? Why? A. fluorobenzene B. 1,3-dinitrobenzene C. 1-fluoro-3,5-dinitrobenzene D. 1-fluoro-2,4-dinitrobenzene
For letters h & i : For each of the following reactions, predict the major mechanistic pathway (SN1/SN2/E1/E2...
For
letters h & i :
For each of the following reactions, predict the major
mechanistic pathway (SN1/SN2/E1/E2) and the major organic
products
1. (cont.) (h) НСОН CHB -CHBr HCOH - (0) CH,CH,CH,CH,Br- NH 2. For each of the following indicate which reaction will occur faster. Explain your reasoning. (No credit will be given for guesses) (a) The reaction of (CH),CBr with 0.001M aqueous NaOH or 0.10M aqueous NaOH (b) The reaction of 2-bromobutane with NaOH in DMSO or NaSH...
1. [10 pts] Consider the elimination reaction for the following alkyl halide with sodium methoxide in...
1. [10 pts] Consider the elimination reaction for the following alkyl halide with sodium methoxide in methanol (Na* OCH, CH,OH). CH NaOme MeOH CH Compound A Problem 2c Draw the major expected organic product (a) Redraw Compound A as seen in Viewpoint I below left as a Newman projection on the template provided in Problem 2a (below). Hint: Fill in missing Hs ar C2 and C3 to help you get started! (b) Rotate the C2 C3 bond to obtain the...
Which of the following correctly reflects relative stabilities of carbocations? 3 degree allylic > 2 degree...
Which of the following correctly reflects relative stabilities of carbocations? 3 degree allylic > 2 degree > 1 degree benzylic methyl > 2 degree benzylic > 3 degree 3 degree benzylic > vinyl >1 degree 2 degree allylic > 2 degree > vinyl 1 degree benzylic > 3 degree > 3 degree allylic Dehydrohalogenation of 2-bromobutane in the presence of a strong base proceeds via which of the following mechanistic pathways? S_N1 S_N2 E1 E2 none of the above Which...
Which of the following represents the transition state of the rate-determining step in the reaction between 2-bromopropane and sodium methoxide leading to crimination? 1 2 3 4 Which of the following represents the transition state of the reaction between methyl iodide and ammonia? 1 2 3 4 What is the major product formed upon treatment of (R) 2-bromohexane with sodium cyanide? (R) 2-cyanohexane (S) 2-cyanohexane 1-hexene 2-hexene
Which of the following alkyl halides undergoes the fastest SN2
reaction with sodium cyanide, NaCN?
ID: A 10. Which ot the tollowing aakyi nauraes undergoes the tastest sNL reacuon wnun soarum cyaniue. Ra a. methyl iodide b. ethyl iodide c. 2-iodopropane d. tert-butyl iodide
VULA TUN IL Which of the following undergoes a substitution reaction with sodium cyanide in DMSO at the fastest rate? CH3CH2C1 CH3CH 21 CH3CH 2Br OCH3CH 2F
Name: 5. Identify the correct statement for the given reactions given. - Reaction A Reaction B Room Temp. CH, a. Reaction A is an allylic halogenation reaction, and reaction B is an electrophilic addition reaction. b. Reaction A is an electrophilic addition reaction, and reaction B is an allylic substitution reaction. c. Reactions A and B are allylic substitution reactions. d. Reaction A is a displacement reaction, and reaction B is an allylic halogenation reaction. 6. The reaction of methyl...
1.1 What is the equation for the rate of formation of tert-butyl
alcohol from the reaction of tert-butyl bromide (t-BuBr) with water
by an SN1 mechanism?
A. Rate= k[t-BuBr]
B Rate=k[ t-BuBr][H2O]
C. Rate=k[ H2O]
D. Rate=k[t-BuBr]^2
1.2 What is the equation for the rate of formation of
1-iodobutane from the reaction of 1-chlorobutane (BuCl) with NaI by
an SN2 mechanism?
A. Rate=k[BuCl]
B. Rate=k[BuCl][NaI]
C. Rate=k[NaI]
D. Rate=k[BuCl]^2
1.3 What is the equation for the rate of formation of...
1.1 In which of the following solvents would the reaction of
1-bromobutane with sodium azide,NaN3, proceed the fastest?
a.aceticacid
b.ethanol
c.water
d.acetonitrile
1.2 Which of the following solvents is the best choice for the
reaction of 1-chlorohexane with sodium bromide?
a.dimethylsulfoxide
b.water
c.hexane
d.toluene,PhCH3
1.3 Which of the following is most likely to undergo
rearrangement during reaction with methanol?
1.4 Name which energy diagrams represents the course of an
exothermic SN1, SN2,E1, or E2 reaction?
1.5 Which of the following...
1. Which of the following undergoes the fastest substitution reaction with sodium hydroxide? Why? A. fluorobenzene B. 1,3-dinitrobenzene C. 1-fluoro-3,5-dinitrobenzene D. 1-fluoro-2,4-dinitrobenzene
For
letters h & i :
For each of the following reactions, predict the major
mechanistic pathway (SN1/SN2/E1/E2) and the major organic
products
1. (cont.) (h) НСОН CHB -CHBr HCOH - (0) CH,CH,CH,CH,Br- NH 2. For each of the following indicate which reaction will occur faster. Explain your reasoning. (No credit will be given for guesses) (a) The reaction of (CH),CBr with 0.001M aqueous NaOH or 0.10M aqueous NaOH (b) The reaction of 2-bromobutane with NaOH in DMSO or NaSH...
1. [10 pts] Consider the elimination reaction for the following alkyl halide with sodium methoxide in methanol (Na* OCH, CH,OH). CH NaOme MeOH CH Compound A Problem 2c Draw the major expected organic product (a) Redraw Compound A as seen in Viewpoint I below left as a Newman projection on the template provided in Problem 2a (below). Hint: Fill in missing Hs ar C2 and C3 to help you get started! (b) Rotate the C2 C3 bond to obtain the...
Which of the following correctly reflects relative stabilities of carbocations? 3 degree allylic > 2 degree > 1 degree benzylic methyl > 2 degree benzylic > 3 degree 3 degree benzylic > vinyl >1 degree 2 degree allylic > 2 degree > vinyl 1 degree benzylic > 3 degree > 3 degree allylic Dehydrohalogenation of 2-bromobutane in the presence of a strong base proceeds via which of the following mechanistic pathways? S_N1 S_N2 E1 E2 none of the above Which...
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