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- Choose the best sequence of reactions for the transformation given. Semicolons indicate separation steps to be used in the order shown. A) H,O*; SOCl,; SOCI₂; C6H5CO2CH3 || CoH5CH2CNHCH3 CHÍNH, B) HO/H,O; PBrạ; Mg; CO,; H,O*; SOC1,; CH,NH, C) LiAlH; H₂O; HBr; Mg; CO₂; H₂O+; SOCI₂; CH₂NH₂ D) None of these would yield the desired productPlastic photochromic sunglasses are based on the following reversible rearrangement of a dye inside the lenses that occurs when the lenses are exposed to sunlight. The original dye absorbs UV light but not visible light and is thus colorless, while the rearrangement product absorbs visible light and is thus darkened. (a) Show the mechanism of the rearrangement. (b) Why does the rearrangement product absorb at a longer wavelength (visible light) than the original dye (UV)?6. Complete reaction scheme below indicating reagents, catalysts and conditions, and side product trigil bezinslog si6101fon 290b 1l (b Senines levirba 6 gaubong nasamots gniwollot ads to doinW 01 sniowl (6 CH3 40 CH3 Scansgowi (d Ege nodie) ( nsgyxo (b NO₂ 19m02 2i gniwollet sits to mainW II HO
- Treatment of 1,2-dimethylcyclopentene with OsO4 with NMO produces which of the following? 1 OH CH3 CH3 OH OI O II ||| OIV OV OH CH3 A || OH CH3 OH CH3 H CH3 CH3 ..H for OH CH3 IV CH3 ..H H CH3Please rank the below electrophiles from most to least reactive for a SN2 reaction || A > B Yo C 5 D the major factor (sterics, cation stability, polarizability, leaving group stability) that explains the trend isWhich of the following structures contribute(s) to the resonance hybrid of the intermediate formed when bromobenzene undergoes para-chlorination? Br+ Oll O III ONV OI :Br: H CI: All of the above H || :Br: H CI: E ||1 H IV
- 1. .CI HC C: Li HC CH LICI 2. -CH3 OH Aqueous HO-S- -CH3 acetone g = SN1 Nucleophilic substitution Electrophilic a = Proton transfer addition h = SN2 Nucleophilic substitution b = Lewis acid/base e = El Elimination c = Radical chain f= E2 Elimination substitution Identify the mechanism by which each of the reactions above proceeds from the mechanisms listed. Use the letters a - i for your answers. among 1. 2.fonmetion of 3+ (a) The coX (NH3)5 and SCN differ by NO more than a fuctor rate con5tunt for the 12t from forx-Ge, B2 Ng of two.eehat is the mechanism of Substitution?H22.32 -Level 3 X Answered - Incorrect • 1 attempt left Which is not an intermediate or resonance species in the following reaction? A a B b C d Your answer e CH3NH2 product H рH 4-5 OH H OH н ОН H H H H. D
- 3) Complete the following reactions show stereochemistry मैं OH 1. PBrs OH OH E 1. Ts-Cl 2. 1. LIAIH 2.H₂O* show stereochemistryH21.15 - Level 1 O Important ... Homework • Unanswered Which of the following is a product of the reaction below? Он Br2 Br ОН Br. ОН Вг, ОН Он Br Br Br Br II II IV A B C II D IV Unanswered 1 attempt left A Submit3) Give the mechanism но CI 0 1.) NACH 2) нат 11) xs Li Al Hy 2) 20 о-н польон 2) پسند ина он D.LiAiHty 2) H2O H+ NH3 1 >