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- Consider compound Q shown below (trimethylcyclohexane isomer). compound Q Which of the following is the most stable conformation of compound Q? I ||| CH3 Select one: O A. II OB. I O C. III O. D. IV H CH3 H CH3 H H- CH3 CH3 H CHS ||| H IV CH3 H CH₁ CH3 fff, H CH3 CH3 CH3Draw a perspective representation of the most stable conformation of 3-methylhexane. Draw the molecule on the canvas by choosing buttons from the Tools (for bonds and charges), Atoms, and Templates toolbars. 1. [1] A 2 A Submit Request Answer H+ 2D EXP. CONT. Marvin JS by ChemAxon A I UZ OS J - PF CI BrStrain of one Strain of one 1,3-diaxial interaction 1,3-diaxial interaction Strain of one 1,3-diaxial interaction H X Ph (C6H5) CO,H CN F 0.12 Me 0.9 1.5 Cl 0.7 0.1 0.25 Et 0.95 Br 0.25 i-Pr 1.1 OH 0.5 t-Bu 2.7
- 4)- Calculate the free-energy for the first three conformers of A (i.e., A- conformation of A, A. Show how you were able to determine th receive full credit. A") starting from the most stable hation of A, A. Show how you were able to determine the answer an provide the answers below to IA] Calculation and Structure of A:_ Final Answer, Calculation and Structure of A': Final Answer Calculation and Structure of A" Final Answer 4Given the polygon structure of the cyclohexane derivative shown below, choose the chair conformation that is lowest in energy (i.e. most stable). Be sure to choose the same stereoisomer! OA.. OB.. 1Consider compound Q shown below (trimethylcyclohexane isomer). compound Q Which of the following is the most stable conformation of compound Q? E ||| CH3 Select one: O A. II B. I O C. III D. IV H CH3 CH3 H H CH3 CH3 H CH3 || H CH3 CH3 H CH3 CH3 CH3 IV CH3 "f H H
- | 16. Which conformation of cyclohexane experiences the most transannular strain? a. chair b. planar c. boat d. twist boat e. All of these are stable. basdSelect the more stable conformation of cis‑1,2‑di(2‑methylpropyl)cyclohexane. A B C D Select the more stable conformation of trans‑1,2‑di(2‑methylpropyl)cyclohexane. A B C D Select the most stable conformation overall. A B C D- с app.101edu.co Identify which of the following compounds is meso. I H₂CO H III H C H₂CO HCI Н A) 1 B) II Question 52 of 67 C) III D) IV OCH H₂CO "CH3 H C H CH₂ OCH₂ IV Н H₂CO H.C Н OCH, "H CH3 CH3 OCH₂ S В Sub
- C app.101edu.co Draw (S)-4-ethyloctane in a structural condensed format. Use a dash or wedge bond to indicate stereochemistry of substituents on asymmetric centers, where applicable. Select to Draw Version: 1.65.2+ production Question 55 of 67 Please select a drawing or reagent freDraw a stereoisomer of trans-1,2-dimethylcyclobutane. (Note that the question asks for a different stereoisomer of the named compound and not the named com • Use the wedge/hash bond tools to indicate stereochemistry where it exists. •In cases where there is more than one answer, just draw one. Sn ?9 Rank carbocation increasing stability (2) ¥? Did they orden the #s? Ex: 243< I