For each of the following reactions, draw a mechanism showing the formation of the major products. Assume that the reactions are under thermodynamic control (i.e., the thermodynamic products are favored) and that only one equivalent of the reagents are present (i.e., 1 mole of reagent for every mole of starting material). What is the expected major product? A A B B с с D D A H H CI B H-CI C H H D
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- 5.) What does the reaction below describe? O2(g) + hv --------> O2+ + e- Group of answer choices A) photolysis B) photodissociation C) photoionizationIn each reaction box, place the best reagent and conditions from the list below. (A reagent may be used more than once.) Hint: step 1 is conducted at –78 °C.The following reaction has a ΔSsystem < 0 O2(g) → 2O(g) T or F can you explain why this is false?
- 6. Identify the best reagent(s) for this reaction. (see attached screenshot). a. H2SO4, HgSO4, H2O b. 1. Disiamylborane, 2. HO–, H2O2 c. K2Cr2O7, H+ d. NaOCl e. H2, PdWhich of the following reactions result in a positive ∆ Ssys? a. H2O(g) = H2O(l) b. H2(g) + I2(g) = 2 Hl(g) c. C2H2O2(g) = 2CO(g) + H2(g) d. H2O(g) + CO2 (g) = H2CO3(aq)9. Product of the reaction of nitrobenzene with sulfuric acid in the presence of oleum at 60 °C:a) o-nitro benzenesulfonic acidb) m-nitro benzenesulfonic acidc) p-nitro benzenesulfonic acidd) None of the above 10. Due to their ability to move through ducts or pipes, they are generally called fluids:a) Solidsb) Solid mixturesc) Gasesd) Liquids and gases
- 6. A rather complicated natural product could be prepared by three consecutive pericyclic reactions. The starting and the final product are given below. Write down the structures of intermediates A and B, the mechanisms of all transformations, and explain the stereochemistry of the final product. One of the ways of solving this is to start from the final product and to think back («retrosynthetic analysis») until returning to the starting material.Arrange the alkyl halides in order of increasing reactivity in an SN2 reaction with KI in acetone (least first). I, IV, III, II II, III, I, IV IV, I, III, II III, II, IV, IIdentify the reagents needed to come up with the given compounds. Pls Separate the reagents with a comma and a space. (ex. HNO3, H2SO4). For a multi-step reaction, separate the reagents with a semi-colon. (ex. HNO3, H2SO4; CH3Cl, AlCl3) There should be 9 reagents
- 2. In not more than three (3) sentences, explain why terminal alkynes are acidic.3. What impurities are removed when acetylene gas is made to pass through an acidifiedsolution of CuSO4?4. Explain the difference in the rate of free radical bromination reactions of toluene and cyclohexane.Benzene is one of the compounds used as octane enhancers in unleaded gasoline. It is manufactured by thecatalytic conversion of acetylene to benzene: 3C2 H2(g) ⇌ C6 H6(g). Which value of Kc would make this reactionmost useful commercially? Kc ≈ 0.01, Kc ≈ 1, or Kc ≈ 10. Explain your answerRank the species below in order of increasing nucleophilicity in protic solvent. I. H2O II. CH3S— III. CH3COO— IV. t-BuO— I, II, IV, III I, III, II, IV I, III, IV, II I, II, III, IV