The decalinols A and B can be equilibrated using aluminum isopropoxide in 2-propanol (isopropyl alcohol) containing a small amount of acetone. Al[OCH(CH,),1, НО acetone ОН A B Assuming a value of AG° (equatorial to axial) for cyclohexanol is 4.0 kJ (0.95 kcal)/mol, calculate the percent of each decalinol in the equilibrium mixture at 25°C.
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- Fill in necessary products reactants or reagants of these reactions. Please note the existence of enantionmers in some cases.Give the missing reagents and temperature conditions for the following reaction schemes:What is the strongest IMF in pure 2-octanone? I know it is a ketone and has some polarity due to this, but the carbon chain so long, I wonder if london dispersion forces are stronger?
- Consider the equilibria displayed below. For which reaction is the structure on the left favored at equilibrium? a The structure on the left is favored at equilibrium for cyclohexenol/cyclohexanone only. b In both cases, the structure on the left is favored at equilibrium. c The structure on the left is favored at equilibrium for pyridin-2-ol/pyridin-2-one only. d In neither case is the structure on the left favored at equilibrium.The heat of hydrogenation of cis-2,2,5,5-tetramethyl-3-hexene is -154 kJ (-36.7 kcal)/ mol, while that of the trans isomer is only -113 kJ (-26.9 kcal)/mol. Q.) If a catalyst could be found that allowed equilibration of the cis and trans isomers at room temperature (such catalysts do exist), what would be the ratio of trans to cis isomers?1. Using Br2 in C2H4Br2 will result in HBr and ______. a. C2H3Cl3 b. C2H4Cl3 c. C2H2Cl3 d. none of the above 2. How many halogenation are posible in propane? a. 3 b. 8 c. 6 d. 10 3.Sulfonation of pentane will result in ________ and water. a. C5H11SO3H b. C5H12SO3H c. C5H14SO3H d. none of the above 4.Nitration of hexane will result in ________ and water. a. C6H13SO3H b. C6H15NO2 c. C6H13NO2 d. C6H14NO2 5.How many moles of O2 in heating a C12H26 (dodecane) a. 27 b. 37 c. 24 d. none of the above
- The heat of hydrogenation of cis-2,2,5,5-tetramethyl-3-hexene is -154 kJ (-36.7 kcal)/ mol, while that of the trans isomer is only -113 kJ (-26.9 kcal)/mol. Q.) Why is the heat of hydrogenation of the cis isomer so much larger (more negative) than that of the trans isomer?How many products are possible from the reaction ? Take stereochemistry into accountChemistry Give the products of the reaction of 1 mole of 2-methy1-1,3-pentadiene with 1 mole of HBr. Whichproduct(s) will predominate if the reaction is under kinetic control? Which products) will predominateif the reaction is under thermodynamic control?
- In your opinion,based on the figure why mode C is not commonly used in industrial fermentation.Determine the theoretical yield of the oxidation of cyclohexanol to cyclohexanone. 1.0g (0.01 mol) of cyclohexanol dissolved in 4 mL of ethyl acetate, while stirring 3.7 g( 6mmol/equiv to 0.012 mol KHSO5) and NaCl (0.12 g, 2.1 mol).The triiodomethane (iodoform) reaction can be used to identify the presence of secondary alcohols. Iodine solution is added to a small amount of an alcohol, followed by just enough sodium hydroxide solution to remove the color of the iodine. If nothing happens in the cold, it may be necessary to warm the mixture very gently. A positive result is the appearance of a very pale yellow precipitate of triiodomethane (previously known as iodoform): CHI3, which apart from its color, can also be recognized by its faintly "medical" smell. It is used as an antiseptic on the sort of sticky plasters you put on minor cuts. **Explain the mechanism of iodoform reaction in an assumption that the iodine/sodium hydroxide solution was used for the reaction. Provide a figure or schematic diagram for the complete detailed flow of reaction.