Which is the most stable chair form of this c | vedclass

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(C) The given compound is $cis-1-ethyl-4-methylcyclohexane$. In a $1,4-disubstituted$ cyclohexane,the $cis$ isomer must have one substituent in an axi

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(C) The given compound is $cis-1-ethyl-4-methylcyclohexane$. In a $1,4-disubstituted$ cyclohexane,the $cis$ isomer must have one substituent in an axial $(a)$ position and the other in an equatorial $(e)$ position. To determine the most stable chair conformer,we place the bulkier group in the equatorial position. The ethyl group $(-CH_2CH_3)$ is bulkier than the methyl group $(-CH_3)$. Therefore,the most stable chair conformation is the one where the ethyl group is in the equatorial position and the methyl group is in the axial position.

Which is the most stable chair form of this compound?

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$1,2$-disubstituted cyclohexane with a $-\text{CH}_2\text{OH}$ group at position $1$ and a $-\text{CH}=\text{CH}-\text{CH}=\text{CH}-\text{CH}_2\text{CH}_3$ group at position $2$.

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