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

Problem

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

Video Transcript

So, now these 3, we've got 5 carbons in each of them but they don't have the same number of hydrogens, how do I know that just at a glance? Well, because we've got rings, right? here we don't have a ring, so we should expect that our formula is C5H12 and then in both of these we've got five carbons but we've got one ring, which means we're going to be missing two hydrogens, right? We're going to have an IHD of one, so we should have C5H10 for both of them C5H10 and guys what does that tell me? that tells me that this one over here is entirely different and that these two are just constitutional isomers of each other, right? So guys, just remember to worry about IHD, right? It really helps to make this process a lot faster and it's definitely going to help you out on your exams, okay? So let's move on.

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