Deduce the energy difference betweetn the conformers of compound X by referringto the table below.(i)ÇII3Compound XH,CH;CSupport your answer hy drawing the conformer(s) involved, and show thecalculations to obtain the energy difference.Energy cost by:He>CH3 eclipsed1,3-diaxial (He>CH,) strain1,3-diaxial (CH3>CH;) strainEnergy (kJ mol)6.03.815.4(ii)Identify which of these conformers give the most and the least stable conformations.

Answered: Image /qna-images/answer/8c48f9c1-9415-4ee5-9d4b-20f0a3d26531.jpg

Answered: (i) Deduce the energy difference…

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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In each case below, identify the higest and lowest energy conformations. In cases where two or three conformations are degenerate, choose only one as your anwser. Use Me, H, and Et when drawing the structures.
3.) 2-Methylbutane (isopentane) is used, in conjunction with liquid nitrogen, to freeze tissues for cryosectioning in histology. Below is the potential energy diagram for all the conformers of 2-methylbutane. Provide structures that match structure A, B, and C in the boxes provided. B F IM C A potential energy Conformer A 0° D angle of internal rotation Conformer B E F H 360° (=0°) Conformer C
use one of the templates below to draw the conformation that has maximum energy for compound C and provide a reason for this
Consider 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
Paraphrasing ewriting Tool Car note Pirate Ship BLACKBOARD wos 6Baun paumn [Review Topics) [References) Use the References to access important values needed for this question. a. Use strain energy increments in the OWL Table Reference (see References button, Strain Energy Increments) to calculate the energy difference between the two chair conformations of the compound below. b. Specify substituent positions (axial or equatorial) in the more stable chair. c. Estimate the percent of the more stable chair at equilibrium at 25°C. (To determine the percent of the more stable chair at equilibrium, first calculate Ke and then use this value to find the percentage.) OH (in isopropanol) Answers: a. The energy difference is b. In the more stable chair: kJ/mol. o The methyl group is in the o The hydroxyl group is in the e position. 8 position. c. At 25°C the equilibrium percent of the more stable chair conformation is approximately Submit Answer Retry Entire Group 9 more group attempts remaining…
Draw 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 Br
Question 9 For the following molecule: (1S,3S)-1-isopropyl-3-propylcyclohexane, draw the 3 following: (1) Diastereomer in the line bond representation (make sure to show dashed/solid wedge) (2) Enantiomer in lowest energy chair conformation, (3) Enantiomer in highest energy chair conformation.
Please draw the two most stable conformations (chair conformatoin I beleive) and label the most stable one if possible.
2. a) Draw the most stable chair conformation of cis 1-isobutyl-2-methylcyclohexane. b) Draw a Newman projection of the best conformation of 2,3-difluorobutane looking down the C2-C3 bond. 3. Compound X has the formula C46H90O4. Compound X reacts with excess H2/Pd to give C46H9204. How many rings does compound X have? Show how you got your answer. 4. For each pair state whether the two are a) the same molecule, b) different compounds that are not isomers, c) constitutional isomers, d) diastereomers, or e) enantiomers. A) B) ÇH3 CH3 Br Br HS CI CI- SH H Br Br CH3 CH3
Identify the specific type of relationship between each of the following pairs of molecules (i.e., either same, constitutional isomers, enantiomers, diastereomers, conformers, or unrelated). (a) (b) (c) (d) (e) H. H CH3 H3C Lon, maf_* Lon, (f) Br (g) Br Br (h) Br H. LCH3 H H H H LaCH3 H3C LCH3 H H3C" CI H. Br C, CH CH3 CI CI H CI H. Br
Student Name: 5. 6. 7. Draw the most stable chair conformation of the following disubstituted cyclohexane. Also, Identify whether this conformation is cis or trans. steoisoers from olecule Classify each reaction below as oxidation, reduction, or neither. OH nt of a mixture mine whether a mol OH Symmetric center at the mater enser would occupy. midure would be optica ems to Pin Practice (Sections 7-13) aton OH anest COROPES 210 Draw a new chair conformation that would occur if the chair conformation below went through a ring
Q8. Draw the two possible chair-like conformations of compound 1. 2 Using the Cahn Ingold Prelog priority rules, assign the absolute stereochemistry to each stereogenic centre contained in compound 1. NH2 1

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