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(A) The given molecule is $1,4$-disubstituted cyclohexane where one substituent is above the plane (wedge) and the other is below the plane (dash). Th

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(A) The given molecule is $1,4$-disubstituted cyclohexane where one substituent is above the plane (wedge) and the other is below the plane (dash). This corresponds to a $trans-1,4$-disubstituted cyclohexane isomer.In the chair conformation of cyclohexane,positions $1$ and $4$ are $trans$ to each other if one substituent is in the axial position and the other is in the equatorial position,or if both are equatorial (but with different orientations relative to the ring plane).Specifically,for a $trans-1,4$-disubstituted cyclohexane,the substituents must be either both equatorial or both axial to be $trans$. However,looking at the options,we need to identify the structure that maintains the $trans$ relationship. Option $B$ shows one substituent in the axial position and the other in the equatorial position,which corresponds to a $cis$ relationship in a $1,4$-disubstituted system. Option $A$ shows both substituents in equatorial positions,which is the $trans$ isomer. Thus,the correct representation is $A$.

Which of the following represents the same configuration as the given molecule?

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