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QUESTION 2In the lowest energy chair conformation of cis-1,3-dimethylcyclohexane, how many axial positions are occupied by hydrogen atoms?  A.  2  B.  3  C.  4  D.  6



In the lowest energy chair conformation of cis-1,3-dimethylcyclohexane, how many axial positions are occupied by hydrogen atoms?


A.  2


B.  3


C.  4


D.  6

Step 1

In chair conformation of cyclohexane, there are two types of bonds- axial and equatorial. A bond perpendicular to the axis of the ring is equatorial (e) and the bond parallel to the axis of the ring is axial (a). 

Step 2

In substituted cyclohexane, a group prefers to occupy equatorial position since in this, the groups are farther away from each other and have minimum steric strain.

Step 3

Thus, in cis-1,3-Dimethylcyclohexane, the two methyl groups are present preferably at the two equatorial p...


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