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Provide reasonable step-by-step mechanisms for the following reactions Use aTTowS the movement of eleetrons indicateHBr...

Question

Provide reasonable step-by-step mechanisms for the following reactions Use aTTowS the movement of eleetrons indicateHBr

Provide reasonable step-by-step mechanisms for the following reactions Use aTTowS the movement of eleetrons indicate HBr



Answers

Give the major product(s) obtained from the reaction of each of the following with HBr:

We're taking a look at the major and minor products that we may fall. So in the first part we see that our kids can undergo electrical like edition reactions with H B R on what we form is the following. So we have to products here, and these are and equal populations in our reaction mixture. When products are forming in the second part that we have here, Ah, major product is as follows. So by Major, I mean that this product will be greater in concentration than any other structures that may be present. So in Thesafeside example, what we generate is another major product that is Burma. Nated, that is three Bruno to three. Damn Ethel Hexen. In the final example, what we form is one Bruno Bonney thaw cycle repenting.

So this question we're talking about predicting major products from your action off HBR with different Al Keane's. So soon with eight, we're gonna start with this structure, right? So is god something that looks like this. I'm reading HBO to this. Um, the product is actually gonna be a little different than what would seem obvious you're actually going, Teoh produce. This is a product. And the reason for that is because as an intermediate obs draw this over here and read, I'm gonna form this car broke, and I now this has a spare hydrogen off here which can then to draw in blue kind of shift over causing, uh, the car behind on to move the tertiary carbon in a one to hydride shift, making our my major products be on that tertiary carbon. Right? So moving on to ah, to be eso this time we have a slightly different, uh, thing Looks like this HBR this time were a little too far away to do any of those fancy 1 200 shifts. Oh, or even a metal shift. So in this case, you'd expect just a normal reaction. All right, part C, we're going to start with, get this product and there's no need to do any sort of shifting for this one. I simply due to the fact that they're already conform a church here. Carver Cod, eso weaken. Just I expect this to be in a stable product. Uh, D is gonna be a very similar structure where we have the double bond one single way and again you conform a tertiary cardboard cut on here. So there's no need to do any sort of shifting or changing its stability. Uh, so you're actually going to form the same product? Uh, which is kind of exciting, So to move onto Parky eso. Now we've got something that, um he's gonna have another four carbons this time to muffles and then a guy right there. So we're actually going to form a metal shift on this one with addition of HPR eso. What that means is when I add HBR, my final product is actually going to look like come this. And the reason for that is I have Ah, this is an intermedia. And what can happen is since there's no available hydrants to move to a tertiary car back on this whole methyl group can actually shift over, causing the car behind on to be on a metal, but also armature sharing site, but also moving the methyl group completely, which causes are major product to be for him to the way it is. All right, then. Lastly, moving on to f We have something that looks like this. Ah, And again, there's not really a good way to shift this or change this, so we can just expected to add kind of on the edge like that.

Let us now solve this problem from carbon compounds. In this problem, certain reaction mechanism steps have been given for which we have to write their products. Each of these mechanism clearly shows the breakage off Covenant born. So let's understand how a covenant bone breaks. Ah, covering born Kenbrell rig either by home analytic method, that is, it can show home elliptic cleavage that's home politically with is shown by drawing half headed arrow like this, or the covenant born Kenbrell ache by electrolytic cleavage, which is indicated by pointing an arrow towards more electric negative atom, half headed arrow shows the moment off the bonded electron each towards the bonded atom that is, each of the bond Getem gets a single electron, and the complete arrow shows the transfer of electron pair towards the more electro negative atoms in the bond. So the first step involved the half headed arrow that shows that the electron off the born move towards each off the bonded atoms, and each blooming gains one electron, thereby forming bro mean free radicals. The second reaction shows complete transferability trown towards chlorine, leading to the formation off car Bogota ion and chloride, a nine the third step shoes home politically, which indicating the transfer off one electron each towards the bonded atom and the product form has profile free radical and bro mean free radical. The further reaction involves complete transfer off electron towards oxygen, that is, electron pair is completely transferred towards oxygen and the product formed is a car book, Italian and water molecule. The last step off the reaction mechanism shown also shows complete electron transfer, so the product formed are a key tone molecule, along with the formation off cyanide and Nayan. So these are the product formed in the given reaction mechanism strips.

Question is what will be the product form when this elkin triggered with the HBR in the presents of peroxide? So HBR reaction in the presents of peroxide will follow empty marconi cough rule. In the empty marconi cough rule, bromide iron ads the last substitute pure carbon. Okay, stop. We have this elkin. Yeah. And it is treated with had to be on in prison so peroxide. So we will get CS3 CS three see and stood beyond. Okay So this carbon is the last substituted carbon. There is five blooming eggs on this carbon. Okay, thank you.


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