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- 1. Answer the following questions on the reaction coordinate diagram pictured below. Reaction Progress a. Label AG on the diagram above. b. Label the reactants, products, transition state(s), and intermediate(s). c. How many steps would the mechanism of this reaction have?Compound A is heated in methanol B to give product C. a. Draw product C and provide a detailed mechanism for its formation. OSO₂CH3 + CH3OH A A B CConsider the following energy diagram. Energy Reaction coordinate a. How many steps are involved in this reaction? b. Label AH and E₂ for each step, and label AH overall- c. Label each transition state. d. Which point on the graph corresponds to a reactive intermediate? e. Which step is rate-determining? f. Is the overall reaction endothermic or exothermic?
- Assume the reaction: CH3CH=CHCOONa + H2 + Ni ----> ??? a. Determine the correct rate law expression based on the elementary reaction. b. Draw the structure of the transition state. c. Draw the reaction coordinate diagrams for: the reaction with the catalyst and the reaction without the catalyst, but adjacent graphs. (Assume that the reaction is exothermic and has 1 transition state.) d. Does heat increase the rate of the forward reaction in the given? Why or why not?El E2 Example Reaction Equation Rate Law Energy Diagram Why El or E2? ExplainRefer to the folowing reaction mechanism: O' CH3-C OCH, OH slow CH, C-OCH fast CH,-C-OH CH,0 OH fast CH,C O CH,OH The least stoble transition state hos which structure? A CH-C-OCH, B. CH, C OCH, C. CH,-C-OCH, D. CH, COCH, OH OH ansaer Tme let 037 Refer to the tollowing reaction mechanium CH, coC, fast • OH CH C-OCH slow Нс он * сно fast CH,C-O CH,OH The most stable intermediate is A CH C осн, в сн, с осн, с. сн C.CH, C-OH D.CH-C-0 OH han songerto conp becouse on 14 Pyridine is a stronger base than pyerole because ered H. d out of eon pyridine 1H-pyrrole ione pair in pyridine is locolized. lone poir in pyrtole in locakzed Nrogan in pytidine is sp hybridirea ntrogen in pymole is sp'nybndced 15 the seoction eiow is on omple of whot hpe of oegoriC eaction? O nitrogen in pyrrole is sp hybridized. The reaction below is an example of what type of organic reaction? H2C=CH2 Br/CC4 BRCH,CH,Br +1 OElectrophilic Substitution CNucleophilic Substitution O Bimination ONucleophilic Addition…
- Draw a reaction coordinate diagram for the following reaction in which C is the most stable and B the least stable of the three species and the transition state going from A to B is more stable than the transition state going from B to C:a.How many intermediates are there? b. How many transition states are there? c. Which step has the greater rate constant in the forward direction? d. Which step has the greater rate constant in the reverse direction? e. Of the four steps, which has the greatest rate constant? f. Which is the rate-determining step in the forward direction? g. Which is the rate-determining step in the reverse direction?Fill in the blanks: Progress of the reaction This is the reaction diagram of reactant A converted to product D (A → D). The reaction has 2 intermediates. It has 3 transition states. The fastest step in the reaction is the conversion of c to d because it has the lowest activat Is the first step of the reaction (exergonic or endergonic?) because is The overall reaction is (exergonic or endergonic?) because Free energy5. Draw the energy diagram for the following reaction in the reaction coordinate drawn below. HCI + H20 –→ H3O+ + Cl In your energy diagram, account for the fact that a) the reaction is very fast b) the reaction is strongly exergonic Clearly label all reactants, products, transition states, intermediates, and their energies.
- 7. Which reaction would occur faster and why? A. 1. II. CI CI CH3S O CH3S S- LOS-1.) Re-draw the reaction coordinate and label the products, the reactants, and the transition state. 2.) Calculate AH xn 3.) Calculate E. 4.) What is the energy of the transition state (with units)? 5.) Classify the reaction as exothermic or endothermic. 6.) Add arrows showing the AHxn and E. 7.) Is the reaction strongly exo/endo-thermic? Why or why not? 8.) Would you expect this reaction to be fast or slow? Why or why not? 50 43.47 40 30 25.96 20 12.42 10 AE kJ/molIdentify the items labeled 'a' to 'f' in the reaction scheme below.