Organic Chemistry
9th Edition
ISBN: 9781305080485
Author: John E. McMurry
Publisher: Cengage Learning
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Question
Chapter 31.SE, Problem 28AP
Interpretation Introduction
Interpretation:
Explain the manufacturing process of nitroethylene by using a distillation column.
Concept introduction:
Nitroethylene is formed by the distillation of 2-nitroethanol in the presence of pthalic anhydride at 140°C-180°C temperature and 80torr pressure.
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The procedure is as follows: Weigh out around 0.3 g of cobalt chloride hexahydrate, CoCl2•6H2O, and place it in a clean, dry
beaker. Dissolve it in 20 mL of 95% ethanol (95% ethanol contains about 5% water). Record your
observations.
Place about 3 mL of the ethanolic cobalt chloride solution in each of five dry test tubes that you have
labeled A-E. Place B in a hot water bath. (See figure and instructions below.) Place C in an ice-water
bath. Wait a few minutes for them to equilibrate to the temperatures of the baths. Compare the tubes
with the control (the ones still at room temperature, i.e. A, D, and E), and record your observations.
Add 5 drops of a saturated aqueous sodium chloride solution to D. Observe the result and compare
with A. NOTE: any clear or white precipitate that forms in the bottom of this test tube is sodium
chloride coming out of solution and is not involved with the chemical reaction that we are studying.
Add 3 drops of distilled water to E. Compare with A and D.…
The boiling points for the compounds are 118 °C and 35 °C respectively. The
solubility for both compounds is the same (8g/100g water). Explain this
observation for (i) boiling point disparity; (ii) solubility similarity
H-bonds form in diethyl ether; n-butyl alcohol forms H-bonds in water
H-bonds form in n-butyl alcohol; diethyl ether forms H-bonds in water
H-bonds in n-butyl alcohol; Both compounds form H-bonds in water
O Both compounds form H-bonds; Both compounds form H-bonds in water
5 g of cobalt carbonate and 13 mL of concentrated hydrochloric acid were used.
In another glass, prepare a solution with 8.4 mL of anhydrous ethylenediamine and 2.8 mL of concentrated hydrochloric acid.
They are mixed and added and 6.5 mL of peroxide were added to it.30% hydrogen, thenconcentrated hydrochloric acid is added, followed by60 mL of ethanol.
5.1234 g were obtained orange solid [Co (en) 3] Cl3
What is the percentage yield of the reaction.
The reactions are shown in the images.
Chapter 31 Solutions
Organic Chemistry
Ch. 31.1 - Order the following monomers with respect to their...Ch. 31.1 - Order the following monomers with respect to their...Ch. 31.1 - Prob. 3PCh. 31.2 - Prob. 4PCh. 31.2 - Prob. 5PCh. 31.3 - Prob. 6PCh. 31.3 - Prob. 7PCh. 31.4 - Prob. 8PCh. 31.4 - Show the mechanism of the nucleophilic addition...Ch. 31.5 - Prob. 10P
Ch. 31.6 - Prob. 11PCh. 31.6 - Prob. 12PCh. 31.SE - Prob. 13VCCh. 31.SE - Prob. 14VCCh. 31.SE - Prob. 15MPCh. 31.SE - The polyurethane foam used for home insulation...Ch. 31.SE - Prob. 17MPCh. 31.SE - Prob. 18MPCh. 31.SE - Prob. 19MPCh. 31.SE - Identify the monomer units from which each of the...Ch. 31.SE - Prob. 21APCh. 31.SE - Draw the structure of Kodel, a polyester prepared...Ch. 31.SE - Show the structure of the polymer that results...Ch. 31.SE - Prob. 24APCh. 31.SE - Prob. 25APCh. 31.SE - 1, 3-Cyclopentadiene undergoes thermal...Ch. 31.SE - Prob. 27APCh. 31.SE - Prob. 28APCh. 31.SE - Prob. 29APCh. 31.SE - Prob. 30APCh. 31.SE - Prob. 31APCh. 31.SE - Prob. 32APCh. 31.SE - Prob. 33APCh. 31.SE - Prob. 34APCh. 31.SE - Prob. 35AP
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