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Chemecal shifts are measured in parts per million (Ppm} The reference material uSually added ito NMR = and is assigned chemical shift samples Is TMS (tetramethylsil...

Question

Chemecal shifts are measured in parts per million (Ppm} The reference material uSually added ito NMR = and is assigned chemical shift samples Is TMS (tetramethylsilane' of Oppm; Fill in the Lable below: FunctionaL Group Draw Structure ol Functional Group Typical Chemical Shif Carboxylic AcidAldehydeAromaticAlkeneAlkyneScew]Tne golvet: Mo:t corionly used is deuterated chloroform (CDCI;) the chemica) skift Is 7 Zppm ard must not be mistaken for part of the compoundHkan:

Chemecal shifts are measured in parts per million (Ppm} The reference material uSually added ito NMR = and is assigned chemical shift samples Is TMS (tetramethylsilane' of Oppm; Fill in the Lable below: FunctionaL Group Draw Structure ol Functional Group Typical Chemical Shif Carboxylic Acid Aldehyde Aromatic Alkene Alkyne Scew] Tne golvet: Mo:t corionly used is deuterated chloroform (CDCI;) the chemica) skift Is 7 Zppm ard must not be mistaken for part of the compound Hkan:



Answers

The $^{1} \mathrm{H}$ NMR spectra of two carboxylic acids with molecular formula $\mathrm{C}_{3} \mathrm{H}_{5} \mathrm{O}_{2} \mathrm{Cl}$ are shown below. Identify the carboxylic acids. (The "offset" notation means that the farthest-left signal has been moved to the right by the indicated amount to fit on the spectrum; thus, the signal at 9.8 ppm offset by 2.4 ppm has an actual chemical shift of $9.8+2.4=12.2 \text { ppm. })$

The I don't remember the Cuban Mhm. The chemical fits our night through Meeting di Natal. Begin and try Natural meeting. See Extreme, you know. Do see it too. I know. Dude joins and see it. I know the address. The chemical ships off the three brutal 6.113 And by your own point, I know 7.52 that's it is one. Well, the night to group is ideal from trying. So the programs are highly defeated. The more the night number of nitro groups, more day she lived, the proper will be so we can expect c h to appear at 7.2 on this is the most difficult for these three. So this will be having the least to be given. No was to begin more things on. This will be having never do 6.1 and this will correspond toe 4.33 And that will be having the highest typically

Doing some calculations with an animal. So we have our delta here, and we calculate that by taking on chemical shift and hearts, then dividing that by the spec frequency that is in the units of megahertz. So, firstly, we need to make sure that our units are correct and accommodate for those in order to get the correct answer. So with this scenario, we are taking 436 huts divided by the spec frequency, which is 200 megahertz, and that gives us 2.18 as all final answer down here.

Hi, everyone. One age, the normal spectrum or being seen shores. Oh, sing leg I Hi Year Delta off some 0.2 ppm. Big because they're not because the benzene dream. Yeah, not only consist, stop consists off. Alternative single and double bonds, Single can and double box. Yeah, Trump, but unsold. It has a ring strain A ring strain. Do you do? Hey, exact journal. Close structure. Clothes struck Chip. On the other hand, on the other hand, Sunday Other hand 13 Butor dying Butor dying So although it is conjugated so those it is conjugated shots Lower frequency peak. Okay, free quinces. I Delta fire you comma the top 5.1 and 6.3 PM You hear? Since it has open structure open structure I am doing strain is absent on the ring strain is upset of sand, right? Secondly, aromatic compounds A I don't My big compound A shows mass spectrum pig spectrum peak. I am I said 104 Therefore the compound heads molecular formula. See a day agent check. Secondly, the 11 tell analysis off A unless it's off a indicates you know for example element the percentage then atomic ratio Dane Sim Blessed atomic ratio 11 days Carbon hydrogen 92.3 This is 7.7%. So this will come at the 7.69 This is 7.7 simplistic comic racial point people Line, this is one so whole numbers that is in tow Aid. Get eight toe eight again aid and therefore no their fault. The formula of the components the comm Bondi's combined aids C h h aid Angry restructure is structure off is as follows. So structure up Is this true? C h that we want ch two So this sort a compound a Now this component a combined a under rumination Yes. Cambone be Be so sure. Okay. C h double one ch teau less We are too. So this is basically sliding. So one robin is I didn't do this against the first Carbon and other women is ready to stake in carbon ain't will get well, kids ch br ch trupia. So this is what they compounded. Gate nineteen's one Bram Oh, one fan Ill. Yeah. Uh, we can greatly this also that this one to diagram Oh, on to die a brahma one final We think the thing So this is combined A and this is combined The okay


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