On a separate sheet of paper, draw the two alternative chair conformations for the product formed by the addition of bromine to 4-tert- butylcyclohexene. The Gibbs free-energy differences between equatorial and axial substituents on a cyclohexane ring are 21 kJ/mol for tert-butyl, and 2.3 kJ/mol for bromine.. Calculate the ratio of the two observed products at 46.0 °C using the following equation: AG-RT In Ke The gas constant, R, is 8.314 3/K-mol. (Enter your answer to two significant figures.) Ratio: to 1 Major Submit Answer Minor Try Another Version 5 item attempts remaining

On a separate sheet of paper, draw the two alternative chair conformations for the product formed by the addition of bromine to 4-tert- butylcyclohexene. The Gibbs free-energy differences between equatorial and axial substituents on a cyclohexane ring are 21 kJ/mol for tert-butyl, and 2.3 kJ/mol for bromine.. Calculate the ratio of the two observed products at 46.0 °C using the following equation: AG-RT In Ke The gas constant, R, is 8.314 3/K-mol. (Enter your answer to two significant figures.) Ratio: to 1 Major Submit Answer Minor Try Another Version 5 item attempts remaining

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...

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Using chair conformational structures (Section 4.11), show the nucleophilic substitution reaction that would take place when trans-1-bromo-4-tert-butylcyclohexane reacts with iodide ion. (Show the most stable conformation of the reactant and the product.)
The AG° for the conversion of "axial" methylcyclohexane to "equatorial" methylcyclohexane at 298K is -1.74 kcal/mol. What is the percentage of methylcyclohexane molecules that have the methyl substituent in the equatorial position at this temperature? Some of the following information may be helpful to you. DG° = -RTInKeq DG° = DH° - TDS° R = 1.987 × 10-3 kcal mol-1 K-1 O 95% O 19% O 5% 81% O can't be determined
When it is treated with sodium ethoxide in deuterated ethanol (C2H5OD), cyclopentadiene exchanges all of its hydrogens for deuterium. Draw a structure for the intermediate in this reaction with all protons (no deuterons).
On a separate sheet of paper, draw the two alternative chair conformations for the product formed by the addition of bromine to 4-tert-butylcyclohexene. The Gibbs free-energy differences between equatorial and axial substituents on a cyclohexane ring are 21 kl/mol for tert-butyl, and 2.3 k/mol for bromine. Calculate the ratio of the two observed products at 48.0 "C using the following equation: AG --RT In Ka The gas constant, R, is 8.314 J/K-mol. (Enter your answer to two significant figures.) Ratio: to 1 Major Minor
Draw the skeletal (line-bond) structure of (R)-1-ethyl-3-ethynylcyclohex-1-ene. Use a dash or wedge bond to indicate stereochemistry of substituents on asymmetric centers, where applicable.
Draw the organic product that is expected to form when the following compound is oxidized under biological conditions. oxidation SH reduction • You do not have to consider stereochemistry. You do not have to explicitly draw H atoms. • If no reaction occurs, draw the organic starting material.
Identify the most stable, second most stable, and least stable conformation resulting from rotation about the bond indicated by the purple arrow. Assume, in this context, that the methoxy group is sterically smaller than the methyl group, an assumption that is supported by the fact that methoxy groups induce less axial strain than methyl groups in cyclohexane conformations. H H CH₂ CH₂ QOCH, HIC DOCH, HIC H₂C H₂C A Most stable Second most stable OCH₂ Least stable HH с H₂ OCH H₂C [Choose] [Choose] [Choose ] OCH₂ CH₂ D H₂C+ HH носна H₂C H₂C H H H OCH₂
Diels–Alder reaction of a monosubstituted diene (such as CH2=CH–CH=CHOCH3) with a monosubstituted dienophile (such as CH2=CHCHO)gives a mixture of products, but the 1,2-disubstituted product oftenpredominates. Draw the resonance hybrid for each reactant, and use thecharge distribution of the hybrids to explain why the 1,2-disubstitutedproduct is the major product.
Which of the following structures represents the most stable conformation of cis-1-ethyl-2-methylcyclohexane? Select one: Me O a. Et O b. c. Me. Et d. Me Et Which of the following structures would be the most stable carbocation? Select one: O a. O b. Ос. O d.
Draw the skeletal (line-bond) structure of (S)-ethyl-2-methylheptanoate. Use a dash or wedge bond to indicate stereochemistry of substituents on asymmetric centers, where applicable.
Q3. For the following reactions, predict the products, mechanism and name all the products obtained Catalytic hydrogenation of cycloalkenes. Reduction of cyclohexanone with Zinc amalgam (Zn/Hg alloy) in concentrated hydrochloric acid Addition of CH2I2 in an alkene in the presence of Zn-Cu 2-hexene + chlorine gas Halogenation of cyclohexane in the presence of light and catalyst Sulfonation of Cyclobutane with oleum Addition of HBr to methylcyclopropane
Consider the reaction between (1S,3S)‑1‑chloro‑3‑methylcyclopentane and methanethiol in the presence of sodium hydroxide. (a) Draw the organic product and clearly indicate stereochemistry by showing the hydrogen on the chirality centers and using wedge and dash bonds. (b) Then analyze the stereochemistry of the product. racemic chiral achiral (1R, 3S) (1R, 3R) (1S, 3S)