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- A)Circle all of the stereo centers in MDMA. B) assign the absolute stereochemistry (R or S) for each stereo centerAssign the stereochemical configuration (E or Z) for the alkene below. Show your work, indicating clearly which groups are assigned high priority (e.g., through assigning the groups numbers, circling only the high priority groups, or labeling groups as high or low).Order the following substituents from highest priority to lowest priority: CH3, OH, H,F. Use the Cahn-Ingold-Prelog priority system. a. F, CH3, OH, H b. H, CH3, F, OH c. F, OH, CH3, H d. H, CH3, OH, F
- Rank the carbocations in the table below in order of decreasing stability (1 most stable and 4 least stable).b. In a strongly basic solution, the starting material again converts into a molecule with the molecular formula C6H12OC6H12O. but with a completely different structure.Using compounds m-p from image 1please fill in the columns in image 2
- Arrange the following reactions in order of increasing ΔrxnS and briefly explain your reasoning.a) S(s) + O2(g) ⟶ SO2(g)b) H2(g) + O2(g) ⟶ H2O2(ℓ)c) CO(g) + 3 H2(g) ⟶ CH4(g) + H2O(ℓ)d) C(s) + H2O(g) ⟶ CO(g) + H2(g)Arrange the following reactions in order of increasing ΔrxnS and briefly explain your reasoning. a) S(s) + O2(g) ⟶ SO2(g)b) H2(g) + O2(g) ⟶ H2O2(ℓ)c) CO(g) + 3 H2(g) ⟶ CH4(g) + H2O(ℓ)d) C(s) + H2O(g) ⟶ CO(g) + H2(g)Which of the following would accomplish the transformation below? a) 1. LiAlH4, 2. H3O+ b) 1. CH3MgBr, 2. H3O+ c) 1. LiAlH(OtBu)3, 2. H3O+ d) CH3OH, H+
- Arrange the following reactions in order of increasing ΔrxnS and briefly explain your reasoning. a) S(s)+O2(g)⟶SO2(g) b) H2(g)+O2(g)⟶H2O2(ℓ) c) CO(g)+3H2(g)⟶CH4(g)+H2O(ℓ) d) C(s)+H2O(g)⟶CO(g)+H2(g)Draw the more stable carbocation for each of the molecules below. Assume they are undergoing an SN1/E1 reaction.Draw the most stable carbocation that can be formed by the compound in Figure 5. [Generate a SMILES notation: https://jsme-editor.github.io/dist/JSME_test.html. Copy the notation (CTRL+C) and paste it as the answer to this question (CTRL+V).] *