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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...
Question 21 Which of the following would increase the proportion of a substitution reaction that proceeds via a S2 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
Which of the following would increase the proportion of a substitution reaction that proceeds via a...
Which of the following would increase the proportion of a substitution reaction that proceeds via a $ 2 mechanism, rather than S, 1? (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 Which of the following reactions would most likely proceed via a SN 1 mechanism? (choose all correct answers) + CH3OH Br + HO- Br + CN + HBr...
Which of the following would increase the proportion of a substitution reaction that proceeds via a...
Which of the following would increase the proportion of a substitution reaction that proceeds via a SN2 mechanism, rather than SN1? (choose all correct answers) Group of answer choices 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
Question 17 3.33 pts Which of the following statements related to Sw1 reactions is not true?...
Question 17 3.33 pts Which of the following statements related to Sw1 reactions is not true? The SNireaction can be described as a heterolytic attack between solvent on alkyl halide followed by nucleophilic attack. Carbocations are electrophiles The charged carbon atom of a carbocation has an unfilled valence shell Nucleophiles are Lewis acids Question 18 3.33 pts The reaction of methyl iodide with azide (N) proceeds by an S2 mechanism. What is the effect of doubling the concentration of azide...
Organic chemistry question, will rate :) Which of the following compounds would be the least reactive...
Organic chemistry question, will rate :)
Which of the following compounds would be the least reactive with the nucleophile, ammonia? (A) hexane (B) t- butyl bromide (C) BF3 (D) concentrated sulfuric acid 46. Which of the following isomeric compounds will react fastest in an Sn2 substitution reaction? (A) 2-bromo-2-methylhexanc (B) 1 -bromoheptane (C) 2-bromoheptanc (D) l-bromo-2,2-dimethylpentane
1) State which of the electrophiles given below will react preferentially by i) SN1, ii) by...
1) State which of the electrophiles given below will react
preferentially by i) SN1, ii) by SN2, or iii) capable of reacting
by either of the two mechanisms depending on the given conditions.
How can you affect those conditions to favour SN1 or SN2? Reason
your predictions based on the structures of the compounds. Br-CH3,
Br-CH2CH3, Br-CH(CH3)2, Br-C(CH3)3, Br-CH2-C5H6; C5H6 = phenyl
Introduction Alkyl halides can be prepared from alcohols by reactions with hydrogen halides (HCI, HBr, or HI) via...
Use the following four structures to answer questions #16- #18 below. H H Br Br Br...
Use the following four structures to answer questions #16- #18 below. H H Br Br Br Br Br Br Br Br H H H A в C D 16. Which are diastercomers? (a) A and D (b) A and B (c) B and C (d) None of these are diastereomers 17. Which are enantiomers? (a) A and D (b) A and B (c) B and C (d) A and C 18. Which isa meso compound? (a) A (b) в (c)...
30. What is wrong with the following mechanism? 33. Give the name(s) of the product(s) for...
30. What is wrong with the following mechanism? 33. Give the name(s) of the product(s) for the following SN2 reaction. Br Br A. There is no leaving group, so there B. The arrow should be removing a proton C. An arrow is also needed to indicate the D. The arrow indicating the formation of should be no arrows. from the H2O group. loss of the leaving group. the C-Br bond (nucleophilic attack) A) (S)-2-hexanol B) (R)-2-hexanol C) (S)-3-hexanol D) (R)-3-hexanol...
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....
three engines operate 1) Draw the complete mechanism for each of the following: include all arrows,...
three engines operate
1) Draw the complete mechanism for each of the following: include all arrows, charges, any resonance structures, etc) B) TI Nath A Brodatechs 2) Give the organic substitution product of the following: I NooH. By which mechanism does this reaction occur? Give the rate equation for this reaction: Rate What happens to the rate (for ex increase by 2x, etc) if the concentration of: a) The halide is doubled: b) The hydroxide is doubled c) Both the...
Question 21 Which of the following would increase the proportion of a substitution reaction that proceeds via a S2 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
Which of the following would increase the proportion of a substitution reaction that proceeds via a $ 2 mechanism, rather than S, 1? (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 Which of the following reactions would most likely proceed via a SN 1 mechanism? (choose all correct answers) + CH3OH Br + HO- Br + CN + HBr...
Question 17 3.33 pts Which of the following statements related to Sw1 reactions is not true? The SNireaction can be described as a heterolytic attack between solvent on alkyl halide followed by nucleophilic attack. Carbocations are electrophiles The charged carbon atom of a carbocation has an unfilled valence shell Nucleophiles are Lewis acids Question 18 3.33 pts The reaction of methyl iodide with azide (N) proceeds by an S2 mechanism. What is the effect of doubling the concentration of azide...
Organic chemistry question, will rate :)
Which of the following compounds would be the least reactive with the nucleophile, ammonia? (A) hexane (B) t- butyl bromide (C) BF3 (D) concentrated sulfuric acid 46. Which of the following isomeric compounds will react fastest in an Sn2 substitution reaction? (A) 2-bromo-2-methylhexanc (B) 1 -bromoheptane (C) 2-bromoheptanc (D) l-bromo-2,2-dimethylpentane
1) State which of the electrophiles given below will react
preferentially by i) SN1, ii) by SN2, or iii) capable of reacting
by either of the two mechanisms depending on the given conditions.
How can you affect those conditions to favour SN1 or SN2? Reason
your predictions based on the structures of the compounds. Br-CH3,
Br-CH2CH3, Br-CH(CH3)2, Br-C(CH3)3, Br-CH2-C5H6; C5H6 = phenyl
Introduction Alkyl halides can be prepared from alcohols by reactions with hydrogen halides (HCI, HBr, or HI) via...
Use the following four structures to answer questions #16- #18 below. H H Br Br Br Br Br Br Br Br H H H A в C D 16. Which are diastercomers? (a) A and D (b) A and B (c) B and C (d) None of these are diastereomers 17. Which are enantiomers? (a) A and D (b) A and B (c) B and C (d) A and C 18. Which isa meso compound? (a) A (b) в (c)...
30. What is wrong with the following mechanism? 33. Give the name(s) of the product(s) for the following SN2 reaction. Br Br A. There is no leaving group, so there B. The arrow should be removing a proton C. An arrow is also needed to indicate the D. The arrow indicating the formation of should be no arrows. from the H2O group. loss of the leaving group. the C-Br bond (nucleophilic attack) A) (S)-2-hexanol B) (R)-2-hexanol C) (S)-3-hexanol D) (R)-3-hexanol...
three engines operate
1) Draw the complete mechanism for each of the following: include all arrows, charges, any resonance structures, etc) B) TI Nath A Brodatechs 2) Give the organic substitution product of the following: I NooH. By which mechanism does this reaction occur? Give the rate equation for this reaction: Rate What happens to the rate (for ex increase by 2x, etc) if the concentration of: a) The halide is doubled: b) The hydroxide is doubled c) Both the...
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