13:25ull 4G OGive the correct conformation of the compound A and B.HH.H.'H.BH.O A.S-cis and r-transOB.Cis and transC.r-cis and r-transS-cis and s-transAdd a caption...> Status (Custom)+

The organic compounds given are

Answered: Give the correct conformation of the…

Organic Chemistry

9th Edition

ISBN:9781305080485

Author:John E. McMurry

Publisher:John E. McMurry

Chapter4: Organic Compounds: Cycloalkanes And Their Stereochemistry

Section4.4: Conformations Of Cycloalkanes

Problem 11P: Two conformations of cis-l, 3-dimethylcyclobutane are shown. What is the difference between them,...

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The potential energy of a CH3 group in ethane as it is rotated around the C-C bond can be written V= 1/2V0(1 +cos φ), where φ is the azimuthal angle as shown and V0 = 11.6 kJ mol-1. (a) What is the change in potential energy between the trans and fully eclipsed conformations? (b) Show that for smal lvariations in angle, the torsional (twisting) motion around the C-C bond can be expected to be that of a harmonic oscillator. (d) Estimate the vibrational frequency of this torsional oscil lation.
Tert-butylcyclohexane exists practically (> 99.99%) in a single conformational form.Represent in cavalier perspective the chair conformation of the most stable tert-butylcyclohexane and explain why the other chair conformation is very disadvantaged.
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There are a number of terms used in conformational analysis. Match each term below with the appropriate definition.
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Build a model of methylcyclohexane, and use the model to complete the following Newmanprojections of methylcyclohexane in the chair conformation: a. When the methyl group is in an axial or equatorial (circle one) position, the molecule is inits lowest potential energy conformation. b. Label one Newman projection above anti and the other gauche to describe the relationshipbetween the methyl group and C3 of the ring. c. In general, which is a lower PE conformation, anti or gauche? d. Explain how your answer to b and c provide an explanation for why it is more favorable fora large group to be in an equatorial than an axial position.
Two conformations of cis-l, 3-dimethylcyclobutane are shown. What is the difference between them, and which do you think is likely to be more stable?
up an example (not appearing in this ChemActivity) of a pair of molecules that are a)constitutional isomers, b) conformers. c) configurational stereoisomers.

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Give the correct conformation of the compound A and B. 'T H. H. H. H. H. H. H. 'H. A B OA. S-cis and r-trans OB. Cis and trans Dc. r-cis and r-trans S-cis and s-trans