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- 2. The bromination of 2-butene is an exergonic reaction. Br H3C. Br2 CH3 CH3 Br a. Draw the mechanism for the reaction (you may ignore the stereochemistry for this question). b. In the mechanism drawn above, identify any intermediates. C. How many transition states are involved in the above mechanism? Without drawing the transition state(s), indicate where they occur in the mechanism. d. Which of the following reaction co-ordinate diagrams best illustrates this reaction? Explain briefly. On the diagram, draw the structures of the reactants, products and intermediates at the correct locations on the diagram and indicate which position(s) correspond to the transition state(s). Page 18 of 19 EYRERIMENT 7: BROMINATION OF CINNAMIC ACID WINTER 20224. Consider the endothermic, nucleophilic substitution reaction below: Is the reaction forming the major product SN1 or SN2? Draw an energy diagram for the reaction forming the major product, correctly labeling the axes. Show AH and Ea Draw structure(s) of the transition state(s). Draw the reaction mechanism છે. b. C. d. e. CI KCN RT2. The bromination of 2-butene is an exergonic reaction. H3C + HC. CH, Br. CH Br a. Draw the mechanism for the reaction (you may ignore the stereochemistry for this question). b. In the mechanism drawn above, identify any intermediates. Progress of the reaction Progress of the rea ction c. How many transition states are involved in the above mechanism?. Without drawing the transition state(s), indicate where they occur in the mechanism. Each step of the mechanism of reaction involves a transition state, therefore, Here there are two transition states, each with its own activation energy. d. Which of the following reaction co-ordinate diagrams best illustrates this reaction?.Explain briefly, On the diagram, draw the structures of the reactants, products and intermediates at the correct locations on the diagram and indicate which position(s) correspond to the transition Progress of the readion Progress of the reaction state(s).
- SECTION 6: Show the mechanism of each reactions with arrows and intermediates form as in a. b. C. HBr Br₂ Cl₂, H₂O Br Br CI Br OH5. Consider the following reaction: Br EtO Major Minor i. Draw the reaction mechanism for the formation of BOTH products. ii. Explain why the major product in this reaction is trans-isomer whereas cis- isomer is the minor product.6. Provide the product for each of the following reaction. Indicate the type of reaction based on the reaction conditions. Show the complete mechanism for each reaction. Show the energy diagram for the reaction. F3C. CH3 CH3OH 25 °C
- Write the mechanism for the reaction shown. H2 2 .N. `N' IZi need help with this please.3. The following three SNAR transformations follow different mechanisms. Draw an intermediate or transition state for each reaction that relates the correct mechanism. Write a short sentence as to why that is the correct intermediate for the reaction. Reaction 1: Reaction 2: NO2 NO2 NO₂ + NaOMe NO2 + NaOH2 1. aq NaHCO3. 100 C 2. H₂O+ OMe NO2 NO₂ OH ŇO₂ NO2 Reaction 3: CFa Br CF3 8--2 + NaNH2 NH3 NH₂ Intermediate/transition state Intermediate/transition state Intermediate/transition state
- The conversion of acetyl chloride to methyl acetate occurs via the following two-step mechanism: a.Add curved arrows to show the movement of the electrons in each step. b.Write the rate equation for this reaction, assuming the first step is ratedetermining. c.If the concentration of −OCH3 were increased 10 times, what would happen to the rate of the reaction? d.If the concentrations of both CH3COCl and −OCH3 were increased 10 times, what would happen to the rate of the reaction? e.Classify the conversion of acetyl chloride to methyl acetate as an addition, elimination, or substitution.15. Consider the exothermic, nucleophilic substitution reaction below: Is the reaction forming the major product SN1 or SN2? Draw an energy diagram for the reaction forming the major product, correctly labeling the axes. c. Show AH and Ea d. Draw structure(s) of the transition state(s). e. Draw the reaction mechanism a. b. Br X Py Book 1-800- CH₂OHQ5: Provide a synthesis for the following: a. 2-bromobutane starting from acetylene. OMe Br b. starting from Benzene NO2 Q6: Consider the following reaction: (CH3) 3CB + H2O - (CH3) 3COH + HBr a: What will happen to the rate of the reaction if [(CH3) 3CBR] is doubled b: What will happen to the rate of the reaction if,[H2o] is doubled c: What will happen to the rate of the reaction if both [ (CH3) 3CB ] and [H20] are doubled