Homework Answers
answer: B
SN2 reaction is takes place.because the configuration is changed from reactant to product opposite called as inversion.
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What substitution reaction mechanism is most likely for the following conversion? S_N1 S_N2 Either S_N1 or...
Consider the reaction below to answer the following questions. a) Compound B is the S_N2/S_N1/E2/El product...
Consider the reaction below to answer the following questions. a) Compound B is the S_N2/S_N1/E2/El product b) Compound C is the S_N2/S_N1/E2/El product Consider the reaction below to answer the following questions. a) Name the alkyl bromide starting material and classify as either primary, secondary or tertiary. b) Name the product and identify the reaction mechanism as either S_N2/S_N1/E2 El.
Draw the products in the following reaction. Identify which mechanism(s) the reaction will undergo. S_N1 S_N2...
Draw the products in the following reaction. Identify which mechanism(s) the reaction will undergo. S_N1 S_N2 E1 E2 The number of E_2 product(s): 2 The E2 products: (major) (minor)
For the following reaction, the cyanide nucleophile could reasonably substitute at either of two positions. One...
For the following reaction, the cyanide nucleophile could reasonably substitute at either of two positions. One mechanism produces 4-cyanoheptane and dimethylsulfide. The competing mechanism produces 4-methylthioheptane and acetonitrile (CH_3CN). In practice, only one substitution is observed. Choose the most likely mechanistic pathway for this reaction and draw both of the products. Select whether it proceeds via an S_N1 or S_N2 mechanism.
Sul B Sx2 Either Syl or S2 None of these D) 103) What substitution reaction mechanism...
Sul B Sx2 Either Syl or S2 None of these D) 103) What substitution reaction mechanism is most likely for the following conversion? A) SI SN2 Either Snl or S2 None of these 105) Which of the following is a strong nucleophile? OH H0 A) B) C) D) E) CH OH ΝΗ, All of these 108) Which of the following is a weakest nucleophile in a polar protic solvent? A) F B) CH Br D) E) All of these 111)...
Predict the product of each reaction below and indicate if the mechanism is likely to be...
Predict the product of each reaction below and indicate if the mechanism is likely to be S_N1, S_N2, E1, E2 or E1cB
Which of the following reacts fastest with NaOH in ethanol by S_N2 mechanism. CH_3Cl CH_3 Br...
Which of the following reacts fastest with NaOH in ethanol by S_N2 mechanism. CH_3Cl CH_3 Br which of the following reagent can be used to prepare benzoic acid (Ph-CO_2-H) from Fe/H_2SO_4 CH_3COOH KMnO_4 Intermediate in the S_N1 mechanism is a carbonium ion free-radical carbon with 5-bonds a primary carbon Transition state in the S_N2 mechanism is a primary carbon free-radical carbonium ion carbon with 5-bonds carbanion Which of the following reagent(s) given the reaction below CH_3Br HBr Br_2/CCl_4 NBS/CCl_4 CH_2Br/FeBr_3...
Which is a pair of the most likely mechanisms for the C-I bond formations in the...
Which is a pair of the most likely mechanisms for the C-I bond formations in the following reaction? a) 1 degree C-I bond formation by S_N1 3 degree C-I bond formation by S_N1 b) 1 degree C-I bond formation by S_N1 3 degree C-I bond formation by S_N2 c) 1 degree C-I bond formation by S_N2 3 degree C-I bond formation by S_N1 d) 1 degree C-I bond formation by S_N2 3 degree C-I bond formation by S_N2
A student attempted to carry out a substitution reaction using molecule as the substrate. The resulting...
A student attempted to carry out a substitution reaction using molecule as the substrate. The resulting product was molecule. Which nucleophilic substitution occurred --- S_N1 or S_N2 How can you tell The molecule here cannot be used as a substrate for an E2 reaction, but can be for an E1 reaction. Explain why. Be specific --- explain why an E2 reaction cannot occur and how an E1 reaction could occur. Where does the nucleophile attack in an S_N2 reaction Backside...
Explain the following statements. MeOH is NOT a good solvent for S_N2 reaction. Hexane is NOT...
Explain the following statements. MeOH is NOT a good solvent for S_N2 reaction. Hexane is NOT a good solvent for S_N1/S_N2 reaction. Acetone is a good solvent for S_N2 reaction. Iodide is a better leaving group than chloride. Tosylate is a better leaving group than iodide. (CH_3)_3CO^- is a stronger base than CH_3CH_2O. CH_3CH_2NH_2 is a stronger nucleophile than CH_3CH_2OH.
Draw the products in the following reaction. Part 1 Identify which mechanism(s) the reaction will undergo....
Draw the products in the following reaction. Part 1 Identify which mechanism(s) the reaction will undergo. A. S_N1 B. S_N2 C. EI D. E2 Part 2 The number of S_N1 product(s): The number of E1 product(s):
Consider the reaction below to answer the following questions. a) Compound B is the S_N2/S_N1/E2/El product b) Compound C is the S_N2/S_N1/E2/El product Consider the reaction below to answer the following questions. a) Name the alkyl bromide starting material and classify as either primary, secondary or tertiary. b) Name the product and identify the reaction mechanism as either S_N2/S_N1/E2 El.
Draw the products in the following reaction. Identify which mechanism(s) the reaction will undergo. S_N1 S_N2 E1 E2 The number of E_2 product(s): 2 The E2 products: (major) (minor)
For the following reaction, the cyanide nucleophile could reasonably substitute at either of two positions. One mechanism produces 4-cyanoheptane and dimethylsulfide. The competing mechanism produces 4-methylthioheptane and acetonitrile (CH_3CN). In practice, only one substitution is observed. Choose the most likely mechanistic pathway for this reaction and draw both of the products. Select whether it proceeds via an S_N1 or S_N2 mechanism.
Sul B Sx2 Either Syl or S2 None of these D) 103) What substitution reaction mechanism is most likely for the following conversion? A) SI SN2 Either Snl or S2 None of these 105) Which of the following is a strong nucleophile? OH H0 A) B) C) D) E) CH OH ΝΗ, All of these 108) Which of the following is a weakest nucleophile in a polar protic solvent? A) F B) CH Br D) E) All of these 111)...
Predict the product of each reaction below and indicate if the mechanism is likely to be S_N1, S_N2, E1, E2 or E1cB
Which of the following reacts fastest with NaOH in ethanol by S_N2 mechanism. CH_3Cl CH_3 Br which of the following reagent can be used to prepare benzoic acid (Ph-CO_2-H) from Fe/H_2SO_4 CH_3COOH KMnO_4 Intermediate in the S_N1 mechanism is a carbonium ion free-radical carbon with 5-bonds a primary carbon Transition state in the S_N2 mechanism is a primary carbon free-radical carbonium ion carbon with 5-bonds carbanion Which of the following reagent(s) given the reaction below CH_3Br HBr Br_2/CCl_4 NBS/CCl_4 CH_2Br/FeBr_3...
Which is a pair of the most likely mechanisms for the C-I bond formations in the following reaction? a) 1 degree C-I bond formation by S_N1 3 degree C-I bond formation by S_N1 b) 1 degree C-I bond formation by S_N1 3 degree C-I bond formation by S_N2 c) 1 degree C-I bond formation by S_N2 3 degree C-I bond formation by S_N1 d) 1 degree C-I bond formation by S_N2 3 degree C-I bond formation by S_N2
A student attempted to carry out a substitution reaction using molecule as the substrate. The resulting product was molecule. Which nucleophilic substitution occurred --- S_N1 or S_N2 How can you tell The molecule here cannot be used as a substrate for an E2 reaction, but can be for an E1 reaction. Explain why. Be specific --- explain why an E2 reaction cannot occur and how an E1 reaction could occur. Where does the nucleophile attack in an S_N2 reaction Backside...
Explain the following statements. MeOH is NOT a good solvent for S_N2 reaction. Hexane is NOT a good solvent for S_N1/S_N2 reaction. Acetone is a good solvent for S_N2 reaction. Iodide is a better leaving group than chloride. Tosylate is a better leaving group than iodide. (CH_3)_3CO^- is a stronger base than CH_3CH_2O. CH_3CH_2NH_2 is a stronger nucleophile than CH_3CH_2OH.
Draw the products in the following reaction. Part 1 Identify which mechanism(s) the reaction will undergo. A. S_N1 B. S_N2 C. EI D. E2 Part 2 The number of S_N1 product(s): The number of E1 product(s):
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