Given cyclohexane in a chair conformation, construct the more stable conformation of cis-1-ethyl-2-fluorocyclohexane by filling in the missing atoms or groups. Use the numbering provided on the ring. H I 6 H 5 H Answer Bank H F ethyl H H 4 3 H H

Identify the cyclohexane chair conformation with an axial ethyl substituent and equatorial methyl group. OL O II III O IV C > ။ IV

< Question 17 of 25 Subm Identify the Newman projection that depicts the eclipsed conformation of butane. CH₂ 11 CH3 A) I B) II C) III D) IV E) V - H H Ø H. I H H CH3 H H CH3 CH3 IV H H H V H3C CH3 D H Ø HY H H CH3 D H I I H c CH3 H- FH CH3

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 has a higher percentage of the diequatorial-substituted conformer compared with the diaxial-substituted conformer: trans-1,4-difluorocyclohexane or cis-1-tert-butyl-3- fluorocyclohexane? O trans-1,4-difluorocyclohexane O cis-1-tert-butyl-3-fluorocyclohexane

H3C HC 10 aH CH3 In its most stable chair conformation, indicate the orientation of each of the labeled groups in this substituted cyclohexane. Group a: Group b: Group c:

Sight along the C2-C3 bond of 2-methylbutane. Draw all the staggered and eclipsed conformations.

Identify the correct chair conformations of the following compound and then indicate which one is more stable.

Draw the structure for the most stable chair conformation of cis-1-methyl-2-propylcyclohexane. Use the cyclohexane conformation drawing tool and guide points to draw each structure. Click and drag to start drawing a structure. x č 3

Draw the most stable conformation of cis-1-tert-butyl-4-methylcyclohexane