Which of the following has two equatorial alkyl substituents in its most stable conformation? ()
A: 1,1-dimethylcyclohexane
B: cis-1,2-dimethylcyclohexane
C: cis-1,3-diethylcyclohexane
D: cis-1,4-diethylcyclohexane
E: trans-1,3-diethylcyclohexane
A: 1,1-dimethylcyclohexane
B: cis-1,2-dimethylcyclohexane
C: cis-1,3-diethylcyclohexane
D: cis-1,4-diethylcyclohexane
E: trans-1,3-diethylcyclohexane
