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Solution: Select the compounds in each group that are isomers and spec...

Question

Select the compounds in each group that are isomers and specify whether they are constitutional isomers or stereoisomers. 

Video Transcript

So, now in each one of these we've got a cyclohexane, right? With two methyl substituents, so what we're going to do since we know that we've got the same number of carbons and hydrogens for both them, for all three of them I mean, we're going to go ahead and figure out things like the location and the cis and trans relationship, so this may be 1, 2, right? So these are next to each other, this one is going to have a 1,3 relationship, this one is also going to have 1,3 but now let's go ahead and add cis and trans, these are both pointing up, right? together they're going to be cis, these are facing opposite to each other, so they're going to be trans and then this one has both of them facing together, so we're going to have cis, alright? So, now what does that tell me? Well, really we know that we need to have the same confirmation, the same exactly activity to have stereoisomers, right? So, 1 and 3 the only difference is cis versus trans, so these two are going to be stereo, this one to both of these, alright? I'm going to just go ahead and do this in green actually, this one to both of these is going to be a constitutional isomer since is separated differently, right? I mean, it's connected differently, we've got 1, 2, so these methyls are connected to each other? Well, next to each other and then we've got these methyls that are connected with a carbon in between, right? So guys please feel free to let me know if you have any questions, if not, let's move on.

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