Question 5 Choose the correct representation of the structure using chair conformation. H H H CH3 CH3 H CH3 H CH3 H H A H B A CH3 H CH3 H H CH₁ H CH₂ H H H H H CH3 C H₁C D H CH₂ CH3 H H H H H CH3 CH3 H CH3 E F H CH₂ CH₂ ACH₂ H A B C D E F

Draw the most stable chair conformation of H3C H3 C CH₂CH3 CH3 1 k

Provide the most stable (lowest energy) chair conformation of methylcyclohexane

QUESTION 23 Choose the chair conformation that represents the most stable conformation of the given skeletal structure. CH3 CH3 H CH3CH3 H- H- - CH3 H3C H3C- - CH3 CH3 H нн H H 1 2 3 H H CH3 H3C CH3 CH3 H3C- - CH3 H- H H H3C CH3 CH3 4 5 6

Select the Newman projection of the most stable conformation.

Draw the structure for the most stable chair conformation of cis-1-isopropyl-3-methylcyclohexane. Use the cyclohexane conformation drawing tool and guide points to draw each structure. Click and drag to start drawing a structure. E C C X E Smy ct C с 002 18 Ar

Question 4 Choose the correct representation of the structure using chair conformation. A C H H Br од Br B 044 H H ठ H Br H Br He H D H H Br E A B C D E F H H H Br F Br H

K Starting from the Newman projection below, rotate the back carbon to provide the structure in the most stable conformation. CI H3C 4 CI CH3 Drawing L H

What chair structure corresponds to the highest energy conformation of trans-1,4-dichlorocyclohexane (shown on left)? CI CI CI CI CI CI CI .CI CI A C D CI B O O O O

What are the two chair conformers for this molecule and which one is more favorable?