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Video Solution: Identify the more stable stereoisomer in each of the followi...

Problem

Identify the more stable stereoisomer in each of the following pairs, and give the reason for your choice: 

Video Transcript

So, now let's go ahead and pick which of these is more stable, so guys what we have is the cyclohexane, right? We just got our cyclohexane and then we've got a two membered ring coming off and connecting two these two carbons, right? Same thing over here the ultimate change in between them it's our arrangement of our carbons, so this guys is actually, let me go ahead and by that, this is in the equatorial position right here and then we have our axial, they're both facing down and then over here we've got this as our axial and this is our equatorial. So, in both of them we've got an axial and an equatorial methyl. Now, which one of them is actually going to be more stable? Well, it turns out that it's going to be this one, why? Because our methyl are farther away from the ring, right? Because of steric strain, so what we've got is that these two are pointing up whereas our ring is coming down, right? Our ring coming off of our cyclohexane is coming down, so this is more stable because those substituents are farther away from that ring. So, let me know if you have any questions I hope that helps.

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