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3. Circle the reaction below which is faster in polar protic solvents. OH, ,0 A. CH,CH,CH,Br — CH,CH,CH,OH + Br or...
1. An alkyl halide which might be expected to undergo rearrangement under Sylor El conditions is: HAC Br A. B. [ CH...
1. An alkyl halide which might be expected to undergo rearrangement under Sylor El conditions is: HAC Br A. B. [ CH,Br c . CH-C-CH-CH, Br at would you acetylide, i. CH, CH, C-Br - CH CH, CH b) II CH р см, сен,сн, в. D. CH3-C-CH.CH -Br CH; в с. Task is to 13CH2C Br alkyl! 1.CH 2. Your task is to convert 2-chloropentane into l.pentene. Which reagents would you choose? a) NaOH/H2O b) KOH/CH3OH c) CH3ONa/CH3OH d) CH3CH2ONa/CH3CH2OH...
_1. An alkyl halide which might be expected to undergo rearrangement under Snl or E1 conditions...
_1. An alkyl halide which might be expected to undergo rearrangement under Snl or E1 conditions is: HZC Br CH3 A. 1 B. | F—CH,BH C. CH3-C-CH-CH, CHz CH3 D. CH3 CH3-C-CH2CH2-Br CH3 E. A Br 2. Your task is to convert 2-chloropentane into 1-pentene. Which reagents would you choose? a) NaOH/H20 b) KOH/CH3OH c) CH3ONa/CH3OH d) CH3CH2ONa/CH3CH2OH e) (CH3)3COK/(CH3)3COH 3. Circle the reaction below which is faster in polar protic solvents. OH,H,O A. CH,CH,CH,Br- CH,CH,CH,OH + Br or SH.RSH...
b) CH, CH2 CH CH Br + SH — CHZ CH3 CH, CH, CH, Br + SH" — c) (polar protic solvents) CH, Br + (CH3)3N CH, Br + (CH3)3P...
b) CH, CH2 CH CH Br + SH — CHZ CH3 CH, CH, CH, Br + SH" — c) (polar protic solvents) CH, Br + (CH3)3N CH, Br + (CH3)3P - — d) CH, I + CN- - DMF CHZI + CNC CH3CH20H e) CH I + OH- - CHZI + CH, CO2- (6) 14. Place 1º, 2º, 3º and Methyl carbocations in order from least stable to most stable. What factor(s) account for the stability of the most stable...
17. Which of the following statements is true? A. An Sw1 reaction always proceeds faster than...
17. Which of the following statements is true? A. An Sw1 reaction always proceeds faster than an S2 reaction. B. An Sw2 reaction is not stereospecific C. Good alkyl halide substrates for an E1 reaction are also good for an E2 reaction. D. Increasing the alkyl halide concentration enhances the reaction rate of an Sw1 reaction but not that of an E2 reaction. 18. For the following reaction, what happens to the reaction rate if the concentration of NaN, is...
Multiple Choice: Fill in circle on Scantron sheet with pencil. 1. Which of the following anions...
Multiple Choice: Fill in circle on Scantron sheet with pencil. 1. Which of the following anions is the best leaving group? A. NH2 B. CI C. CH3 D. OH E.H 2. Which of the following statements is (are) true about an SN2 reaction? A. The reaction is fastest with 1° halides. B. The reaction follows second-order kinetics. C. Changing the identity of the leaving group changes the rate of the reaction. D. Statements (The reaction is fastest with 1° halides)...
(20) 7. Which reaction of the following pairs will take place more rapidly? a) CH, CH,...
(20) 7. Which reaction of the following pairs will take place more rapidly? a) CH, CH, CH, Br + CH, OH - CH, CH, CH, Br + CH20- b) CH, Br + CH, OH - CH, Br + CH, SH - c) (CH3)2CHCHCI (CH3)2 CHCH,I + Ng + Nz - - CH, Br + (CH3)3N CH, Br + (CH3)3P - (Polar Protic Solvents) e) CH, I + OH- - CHỞI + CH4, CD,
please explain!! 3 e) Which solvent is a polar protic solvent? a) ether c) ethanol b)...
please explain!!
3 e) Which solvent is a polar protic solvent? a) ether c) ethanol b) dimethylformamide d) hexane Circle the correct name for the molecule shown below. Br (trans)-3-bromo-4-methyl-4-heptene (E3-bromo-4-methyl-3-heptene (Z)3-bromo-4-methyl-3-heptene (cis)-3-bromo-4-methyl-3-heptene g) Circle the reaction that would have the fastest rate. NaSH DMF SH NaOH OH B DMF NaSH DMF Br SH NaOH Br он DMF h) Circle the strongest nucleophile in methanol (CH,OH) F Br
Select which compound is the most reactive in an SN1 reaction Br Select one: O III...
Select which compound is the most reactive in an SN1 reaction Br Select one: O III Assuming no other changes, what is the effect of doubling both the alkyl halide and the nucleophile concentrations in the reaction below? for OH 79 + HB Select one: O a quadruples the rate b. triples the rate c. doubles the rate O d. no change e. rate is halved B. Select which compound is the most reactive in an SN 1 reaction Sel...
Consider the SN2 reaction of butyl bromide with hydroxide ion , Assuming no other changes, what...
Consider the SN2 reaction of butyl bromide with hydroxide ion , Assuming no other changes, what effect on the reaction rate would result from simultaneously doubling the concentrations of both butyl bromide and hydroxyl ion No effect (B)It would double the rate (C)it would increase the rate six times (D) It would increase the rate four times. 2. Which alky halide would you expect to undergo SN1 hydrolysis most rapidly? (A) (CH3)3C-I (B) (CH3)3C-Br (C) (CH3)3C-Cl (D) (CH3)3C-F 3....
how would I solve 21 and 22 Question 21 (4 points) Which of the following is...
how would I solve 21 and 22
Question 21 (4 points) Which of the following is an SN2 reaction? OCH, OH + CH3 OH – CH3 – 0 – CH3 + H2O O CH3 I + KOH – CH3 OH + KI OCH3 CH2 I + KOH – CH2 = CH2 + H2O + OCH2 = CH2 + HCI – CH3 CH, CI Which statement is true for SN2 reactions? substitution at the stereocenter gives predominantly a racemic product O...
1. An alkyl halide which might be expected to undergo rearrangement under Sylor El conditions is: HAC Br A. B. [ CH,Br c . CH-C-CH-CH, Br at would you acetylide, i. CH, CH, C-Br - CH CH, CH b) II CH р см, сен,сн, в. D. CH3-C-CH.CH -Br CH; в с. Task is to 13CH2C Br alkyl! 1.CH 2. Your task is to convert 2-chloropentane into l.pentene. Which reagents would you choose? a) NaOH/H2O b) KOH/CH3OH c) CH3ONa/CH3OH d) CH3CH2ONa/CH3CH2OH...
_1. An alkyl halide which might be expected to undergo rearrangement under Snl or E1 conditions is: HZC Br CH3 A. 1 B. | F—CH,BH C. CH3-C-CH-CH, CHz CH3 D. CH3 CH3-C-CH2CH2-Br CH3 E. A Br 2. Your task is to convert 2-chloropentane into 1-pentene. Which reagents would you choose? a) NaOH/H20 b) KOH/CH3OH c) CH3ONa/CH3OH d) CH3CH2ONa/CH3CH2OH e) (CH3)3COK/(CH3)3COH 3. Circle the reaction below which is faster in polar protic solvents. OH,H,O A. CH,CH,CH,Br- CH,CH,CH,OH + Br or SH.RSH...
b) CH, CH2 CH CH Br + SH — CHZ CH3 CH, CH, CH, Br + SH" — c) (polar protic solvents) CH, Br + (CH3)3N CH, Br + (CH3)3P - — d) CH, I + CN- - DMF CHZI + CNC CH3CH20H e) CH I + OH- - CHZI + CH, CO2- (6) 14. Place 1º, 2º, 3º and Methyl carbocations in order from least stable to most stable. What factor(s) account for the stability of the most stable...
17. Which of the following statements is true? A. An Sw1 reaction always proceeds faster than an S2 reaction. B. An Sw2 reaction is not stereospecific C. Good alkyl halide substrates for an E1 reaction are also good for an E2 reaction. D. Increasing the alkyl halide concentration enhances the reaction rate of an Sw1 reaction but not that of an E2 reaction. 18. For the following reaction, what happens to the reaction rate if the concentration of NaN, is...
Multiple Choice: Fill in circle on Scantron sheet with pencil. 1. Which of the following anions is the best leaving group? A. NH2 B. CI C. CH3 D. OH E.H 2. Which of the following statements is (are) true about an SN2 reaction? A. The reaction is fastest with 1° halides. B. The reaction follows second-order kinetics. C. Changing the identity of the leaving group changes the rate of the reaction. D. Statements (The reaction is fastest with 1° halides)...
(20) 7. Which reaction of the following pairs will take place more rapidly? a) CH, CH, CH, Br + CH, OH - CH, CH, CH, Br + CH20- b) CH, Br + CH, OH - CH, Br + CH, SH - c) (CH3)2CHCHCI (CH3)2 CHCH,I + Ng + Nz - - CH, Br + (CH3)3N CH, Br + (CH3)3P - (Polar Protic Solvents) e) CH, I + OH- - CHỞI + CH4, CD,
please explain!!
3 e) Which solvent is a polar protic solvent? a) ether c) ethanol b) dimethylformamide d) hexane Circle the correct name for the molecule shown below. Br (trans)-3-bromo-4-methyl-4-heptene (E3-bromo-4-methyl-3-heptene (Z)3-bromo-4-methyl-3-heptene (cis)-3-bromo-4-methyl-3-heptene g) Circle the reaction that would have the fastest rate. NaSH DMF SH NaOH OH B DMF NaSH DMF Br SH NaOH Br он DMF h) Circle the strongest nucleophile in methanol (CH,OH) F Br
Select which compound is the most reactive in an SN1 reaction Br Select one: O III Assuming no other changes, what is the effect of doubling both the alkyl halide and the nucleophile concentrations in the reaction below? for OH 79 + HB Select one: O a quadruples the rate b. triples the rate c. doubles the rate O d. no change e. rate is halved B. Select which compound is the most reactive in an SN 1 reaction Sel...
how would I solve 21 and 22
Question 21 (4 points) Which of the following is an SN2 reaction? OCH, OH + CH3 OH – CH3 – 0 – CH3 + H2O O CH3 I + KOH – CH3 OH + KI OCH3 CH2 I + KOH – CH2 = CH2 + H2O + OCH2 = CH2 + HCI – CH3 CH, CI Which statement is true for SN2 reactions? substitution at the stereocenter gives predominantly a racemic product O...
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