18. The two compounds below are very similar, yet they have a heat of combustion that differs by 17.2 kJ/mol, meaning one is significantly more stable. Determine which one is more stable and give a short (no more than 3-4 sentences) explanation why. Drawing chair conformations are required to receive full credit here. H H to I A Ill B

18. The two compounds below are very similar, yet they have a heat of combustion that differs by 17.2 kJ/mol, meaning one is significantly more stable. Determine which one is more stable and give a short (no more than 3-4 sentences) explanation why. Drawing chair conformations are required to receive full credit here. H H to I A Ill B

Organic Chemistry: A Guided Inquiry

2nd Edition

ISBN:9780618974122

Author:Andrei Straumanis

Publisher:Andrei Straumanis

Chapter7: Cycloalkanes

Section: Chapter Questions

Problem 12CTQ: Fill in the blanks: cis-1,3-Dimethylcyclohexane has two different chair conformations: one withboth...

See similar textbooks

Similar questions

Fill in the blanks: cis-1,3-Dimethylcyclohexane has two different chair conformations: one withboth methyl groups in __________ positions and one with both methyl groups in ____________ positions.
Use your answers from Problem 2.48 to complete the table showing correlations between cis,trans and axial,equatorial for disubstituted derivatives of cyclohexane. Draw the alternative chair conformations for the cis and trans isomers of 1,2-dimethylcyclohexane, 1,3-dimethylcyclohexane, 1,4-dimethylcyclohexane. (a) Indicate by a label whether each methyl group is axial or equatorial.
5) For the following: a) Draw the "flat" line structure of the following (be sure to indicate stereochemistry) Br OH b) Draw both chair conformations of the following compound. Indicate which form is the most stable H3C°
Sight along the C2-C3 bond of 2-methylbutane. Arrange the following conformation from lowest to highest energy. CH3 H CH3 CH3 CH3 H CH3 H HCH; CH3 HH H CH3 ㄒH CH3 H
In the most stable conformation of the molecule below, how many substituents are axial? (Hint: Draw the stable chair conformation.) H₂C three one zero Otwo
None of the above 5 Which of the following statements are comect? 1-Stability of conformation is affected due to torsional strain. Il-Magnitude of torsional strain depends upon, the angle of rotation about C-Cbond. III-In case of solid alkenes the Trans andCsisomershave different physical properties IV In case of solid alkenes the Trans and Cs isomers have the same physical properties I and II Al Pue 1. Il and III 孔曲and V None of the above
NH2 Br 1 OH ОН (a) Use the template below and drawa Newman projection for this conformation of the compound when viewed along the C2-C3 bond. CH2OH (b) Why is this the most stable conformation?
7. Which one of the following conformations of disubstituted cyclohexanes is expected to be the most stable? H,C CH, - CH3 A) B) CH3 CH3 CH, D) CH, CH, OB OD
Which of the following is the most stable conformation of the following compound? HO "CI CI HO. но. Но Он II IV 우
Order the conformations of butane from lowest energy to highest energy (1 being the lowest energy). CH₂ H. H A B C D H A CH₂ H H₂ H CH3 CH₂ B H 'H H₂C CH₂ H H 4 1 3 2 -H 'H H H CH₂ H D -CH₂ H
Which is more stable: cis- or trans-1-(1-ethylpropyl)-3-methylcyclohexane? Draw the most stable conformer for each of the molecules.
6. Sort the following conformations of 1-chloropropane from most stable to least stable. H CI Hн Н Н Н CH₂ н H н CI 2) Н CH, H 3) CH1 CI