most stable?

[atlanta213]

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I know equatorial position is more stable than axial position. However if two molecule are located near equatorial position, isn't there steric effect?

in this case, it does not matter because it is methyl?? if this is br for example, then the other one is answer?

Picture is attached.

Thanks in advance.

 

[yakuza]

Your bigger groups on equatorial will always be more stable.

 

[atlanta213]

so we do not care about steric effect?? always favor equatorial in most stable condition?

 

[PooyaH]

so we do not care about steric effect?? always favor equatorial in most stable condition?

Indeed

 

[doc3232]

Your bigger groups on equatorial will always be more stable.

I disagree.
I would go with the other one.
Test is straightforward though so don't worry about it.
2 methyls next to each other seems more hindered than 1,3 axial interactions of a Hydrogen and a methyl.

I just left the OP with a different answer, sorry.
I hate when people leave me different answers also.😀

 

[atlanta213]

so... in terms of real dat question, we just go with all equatorioal one?

 

[PooyaH]

so... in terms of real dat question, we just go with all equatorioal one?

Yeah, the whole point is to see if you know equatorial is more stable than axial!

 

[Contach]

I disagree.
I would go with the other one.
Test is straightforward though so don't worry about it.
2 methyls next to each other seems more hindered than 1,3 axial interactions of a Hydrogen and a methyl.

I just left the OP with a different answer, sorry.
I hate when people leave me different answers also.😀

I think you are wrong. The -methyl that is axial will interact with the adjacent H that is axial more than the methyl's that are adjacent and equatorial to one another. The picture is deceiving becuase the cyclohexane isn't doing justification to the angle at which the equatorial substituents are facing out on. But imagine a full circle (360 degrees), each equatorial group is 60 degrees away from the next nearest equatorial group. there isn't a lot of steric hindrance here..