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29) How many transition states and intermediates would the reaction profile have for the reaction shown...
please i need answer for all 12) How many transition states are present in the reaction...
please i need answer for all
12) How many transition states are present in the reaction in the energy diagram? 12) A) 0 B) 1 D) 3 C)2 13) How many transition states and intermediates would the reaction profile have for the reaction shown below? 13) CH3 CHa CH3 CH3 Н.о OH H-CI step 2 step 1 step 3 A B A) Two transition states and three intermediates B) Three transition states and three intermediates C) Two transition states and...
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)...
based on the diagram, which is true The reaction is exothermic. There are two transition states...
based on the diagram, which is true
The reaction is exothermic. There are two transition states and three intermediates. This reaction occurs' in three steps. The second step of this reaction is the slow step.
How many transitions states would be present in the free-energy profile representing the following reaction? 4....
How many transitions states would be present in the
free-energy profile representing the following reaction?
4. How many transition states would be present in the free-energy profile representing the following reaction? OH Conc. H3PO4 heat a) 1 b) 2 c) 3 d) 4
44. Based on the following reaction profile: Potential energy m B D Reaction progress la) How...
44. Based on the following reaction profile: Potential energy m B D Reaction progress la) How many intermediates are formed in the reaction A D? 1b) How many transition states are there? 1c) Which step is the slowest? 1d) Is the overall reaction A D exothermic or endothermic? A) 3; 2; AD, exothermic C) 3; 4; BC, exothermic B) 2; 3; B → C, endothermic D) 2; 3; C D endothermic
44. Based on the following reaction profile: Ish la) How many intermediates are formed in the...
44. Based on the following reaction profile: Ish la) How many intermediates are formed in the reaction A-D 1b) How many transition states are there? le) Which step is the slowest? Id) Is the overall reaction - exothermic or endothermic A) 3.2: Axothermic B)2:3. Bendothermic C) 3:4:B-C, exothermis D23C- endothermic 45. Calculate the rate constant kin's using the information in the reaction and Table 14.2 below. Pages NH. + NON +2H0 A) 2.7 x 10'sB) 1.0x10*'4x10* M's D) 2.7x 10*M's"...
15. An SMU graduate student attempted a collection of nucleophilic-substitution-at-a- chirality-center reactions, in order to have...
15. An SMU graduate student attempted a collection of nucleophilic-substitution-at-a- chirality-center reactions, in order to have some quick data to present at the annual American Chemical Society Meeting in Miniature. (It was in San Diego that year.) The starting material was R-2-bromo-1,1-dimethylcyclohexane, and the nucleophiles for the three reactions were: CH, OH CH,0 (CH3),C-o tert-butoxide methanol methoxide However, instead of the expected outcomes, the following results were obtained HCOCH HB CH3 CHE Reaction A ...CH (S) Reaction B HU Reaction...
1. Which reaction below occurs faster through an SN2 mechanism and why? Draw the transition states...
1. Which reaction below occurs faster through an SN2 mechanism and why? Draw the transition states of each reaction to explain your answer. OH to bomto Br OH b) OH 2. The reaction of 9.0 g of 1-butanol (MW = 76g/mol) with 13.0 g of sodium bromide (MW = 103 g/mol) with excess acid produces 8.5 g of 1-bromobutane (MW 137 g/mol). a. What is the purpose of the acid? b. What is the % yield for the reaction? Show...
5. For the following reaction: a) draw the substitution product. Br. но CH, b) Draw the...
5. For the following reaction: a) draw the substitution product. Br. но CH, b) Draw the full mechanism of the reaction above, showing an SN2 pathway. Include all relevant electrons and curved arrows showing electron movement, AND draw the transition state. c) Draw the full mechanism of the reaction above, showing an Sn1 pathway. Include all relevant electrons and curved arrows showing electron movement, AND all intermediates in the reaction. d) Draw the energy diagrams of the Sw2 pathway and...
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...
please i need answer for all
12) How many transition states are present in the reaction in the energy diagram? 12) A) 0 B) 1 D) 3 C)2 13) How many transition states and intermediates would the reaction profile have for the reaction shown below? 13) CH3 CHa CH3 CH3 Н.о OH H-CI step 2 step 1 step 3 A B A) Two transition states and three intermediates B) Three transition states and three intermediates C) Two transition states and...
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)...
based on the diagram, which is true
The reaction is exothermic. There are two transition states and three intermediates. This reaction occurs' in three steps. The second step of this reaction is the slow step.
How many transitions states would be present in the
free-energy profile representing the following reaction?
4. How many transition states would be present in the free-energy profile representing the following reaction? OH Conc. H3PO4 heat a) 1 b) 2 c) 3 d) 4
44. Based on the following reaction profile: Potential energy m B D Reaction progress la) How many intermediates are formed in the reaction A D? 1b) How many transition states are there? 1c) Which step is the slowest? 1d) Is the overall reaction A D exothermic or endothermic? A) 3; 2; AD, exothermic C) 3; 4; BC, exothermic B) 2; 3; B → C, endothermic D) 2; 3; C D endothermic
44. Based on the following reaction profile: Ish la) How many intermediates are formed in the reaction A-D 1b) How many transition states are there? le) Which step is the slowest? Id) Is the overall reaction - exothermic or endothermic A) 3.2: Axothermic B)2:3. Bendothermic C) 3:4:B-C, exothermis D23C- endothermic 45. Calculate the rate constant kin's using the information in the reaction and Table 14.2 below. Pages NH. + NON +2H0 A) 2.7 x 10'sB) 1.0x10*'4x10* M's D) 2.7x 10*M's"...
15. An SMU graduate student attempted a collection of nucleophilic-substitution-at-a- chirality-center reactions, in order to have some quick data to present at the annual American Chemical Society Meeting in Miniature. (It was in San Diego that year.) The starting material was R-2-bromo-1,1-dimethylcyclohexane, and the nucleophiles for the three reactions were: CH, OH CH,0 (CH3),C-o tert-butoxide methanol methoxide However, instead of the expected outcomes, the following results were obtained HCOCH HB CH3 CHE Reaction A ...CH (S) Reaction B HU Reaction...
1. Which reaction below occurs faster through an SN2 mechanism and why? Draw the transition states of each reaction to explain your answer. OH to bomto Br OH b) OH 2. The reaction of 9.0 g of 1-butanol (MW = 76g/mol) with 13.0 g of sodium bromide (MW = 103 g/mol) with excess acid produces 8.5 g of 1-bromobutane (MW 137 g/mol). a. What is the purpose of the acid? b. What is the % yield for the reaction? Show...
5. For the following reaction: a) draw the substitution product. Br. но CH, b) Draw the full mechanism of the reaction above, showing an SN2 pathway. Include all relevant electrons and curved arrows showing electron movement, AND draw the transition state. c) Draw the full mechanism of the reaction above, showing an Sn1 pathway. Include all relevant electrons and curved arrows showing electron movement, AND all intermediates in the reaction. d) Draw the energy diagrams of the Sw2 pathway and...
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...
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