c) diethyl ether. After separating the layers, 240 mg of cyclohexanol are recovered from the diethyl ether layer. You approximate that the remaining 10 mg of cyclohexanol must have been dissolved in the aqueous layer. Calculate the partition coefficient. Show work. 250 mg of 1-phenylcyclohexanol are dissolved in a combination of 10 mL of water and 20 mL of

c) diethyl ether. After separating the layers, 240 mg of cyclohexanol are recovered from the diethyl ether layer. You approximate that the remaining 10 mg of cyclohexanol must have been dissolved in the aqueous layer. Calculate the partition coefficient. Show work. 250 mg of 1-phenylcyclohexanol are dissolved in a combination of 10 mL of water and 20 mL of

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

See similar textbooks

Similar questions

Calculate the Rf of a compound that runs 8 cm and whose solvent front is 20 cm.
You will run a TLC plate after the CC placing in one spot the original sample of pigments, one spot from the yellow band and one from the green band. Draw a picture of what you expect to observe after running the TLC plate. Explain.
During a Thin layer chromatography (TLC) analysis of crystallized napthalene, what would the effect of adding a higher proportion of ethyl acetate to the developing solvent on the compound’s Rf values?
This experiment is based on the dehydration of 2 methylcyclohexanol Do your results agree with the predicted isomer distribution on the basis of the knowledge of the mechanism of this reaction? Explain. Results: I. Retention times Compound Time (sec) 1-methylcyclohexene 36.0 3-methylcyclohexene 38.0 Reaction product 12.4 II. Composition of product Area of Peak 1-methylcyclohexene 6.3 mm 3-methylcyclohexene 10.4 mm Total Area 16.7 mm^2 Percent of 1-methylcyclohexene = 37.7% Percent of 3-methylcyclohexene = 62.3%
6. Which molecule will have a larger R, on a SiO₂ TLC plate using 10% Ethyl acetate/hexane as eluent? Draw their structures and explain why. Benzoic acid or ethyl benzene?
Variation in volume of extraction solvent: compound X is dissolved in 20.0 mL of solvent B. Assuming a partition coefficient of PX,AB of 5.0, calculate the percentage of X that remains in solvent B if it is extracted the following volumes of solvent A: 1.0 mL 10.0 mL 20.0 mL 100.0 mL
Purity of the ester: use the colour of the product and the information from the infrared spectrum to assess the purity of the ester. The color of product was yellow. Was orang Odour made with acetic acid on a 0.10 molar ratio and 1-Octanol 0.05 molar ratio.
In the esterification of propanoyl bromide and isopropyl alcohol what product is expected? Create a detailed numbered procedure for the esterification including moles, grams and volume for all reactants and show calculations as to how much grams of product you expect to produce. Include IR peaks and the number of carbon and proton NMR peaks you expect.
f. What is the order of elution for the following compounds from a reversed-phase LC column? Hint: Rank the compounds by their polarity. i. benzene diethyl ether n-hexane ii. CIH2C-CH2CI NH2 acetone dichloroethane acetamide
(UV spectroscopy lab, organic chemistry 2) If the extinction coefficient can be calculated from a single absorbance measurement at a known concentration of a compound, why is a calibration curve necessary, even if the measured absorbance is below 1?