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- 21. Which of the following is the correct reaction intermediate? HCI, CH3OH Meo OMe intermediate НО Он нО ОМе OMe OH OMe a. b. C. d. e.The reactants and products for a chemical reaction are shown below. Which arrow pushing mechanism (A-E) would lead to the product that is shown? OE C OD B OA HO A. B. C. D. E. H-O: H-O: H- -H® H-O: 0 H-O: IOH OH + HO2. Write the auto-protolysis reactions of the following substances а. Н2О. b. CH3COOH. С. CH3CH2NH2 d. CH3CH2OH.
- 20 Proposed mechanism for a reaction is O3 + NO2 ------------> NO3 + O2 slow NO3 + NO2 ---------> N2O5 fast What are the intermediates in the proposed mechanism? a. O3 b. NO2 c. N2O5 d. NO3Write the mechanism for the reaction shown. H2 N. N. CI CI 2.Consider the following SN2 reaction, es A It would triple the rate B C + NaN3 Assuming no other changes, what is the effect on the rate, if the concentration of NaN3 is tripled? E It would increase the rate six times It would increase four times It would double the rate No effect N3 + NaCl
- HO .OH cat. H2SO4 H₂O cat. H2SO4 Complete both mechanisms above. BRIEFLY explain how the different reaction conditions (in the presence of acid) result in different products being formed. How does equilibrium play a role?Which reaction is endotharmic? Exothermic? Explain your answer. A B Transition State Transition State A----8 A-B--B E. forward fonward E. CExecse. ceverse Reactants Reactants AB. A E A Ea Products AB B. Products AB B PROGRESS OF REACTION PROGRESS OF REACTION ENERG>Classify the following organic reactions as requested. In numerical order, the elimination reactions are_ 1. C3H6 + C12 → C3H6C12 2. СНЗСН2CIСНЗ+ ОН — СНЗСНСН2 + H2O + CI 3. СЗН8 —> СзН6 + Н2 4. C3H8 +Br2 → CH3CHBRCH3 + HBr 5. C12H26 + H2 → C7H16 +C5H12 6. C2H5OH –→ C2H4 + H2O 7. C8H18+H2 → 2 C4H10 8. C4H8 + H2 → C4H10 9. C6H6 +CI2 → C6H5CI + HCI