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25 ? Purc substInc #hich at ihe followrin g compounds Jrc most #ket to show dipok-dlpoka attracti1s ? CC1 PCh, Ilso 12310#n8i ol1n8uMard NLladN...

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25 ? Purc substInc #hich at ihe followrin g compounds Jrc most #ket to show dipok-dlpoka attracti1s ? CC1 PCh, Ilso 12310#n8i ol1n8uMard NLladN

25 ? Purc substInc #hich at ihe followrin g compounds Jrc most #ket to show dipok-dlpoka attracti1s ? CC1 PCh, Ilso 1231 0#n8i ol1n8u Mard N LladN



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Amongsr the following, rhe lowesr degrce of paramagncrism per molc of rhe compound ar $298 \mathbf{K}$ will be shown by (a) $\mathrm{MnSO}_{i}, 4 \mathrm{I} \mathrm{I}_{2} \mathrm{O}$ (b) $\mathrm{CuSO}_{.1} .5 \mathrm{I} \mathrm{I}_{2} \mathrm{O}$ (c) $\mathrm{FCSO}_{,}, 6 \mathrm{I} \mathrm{I}_{2} \mathrm{O}$ (d) $\mathrm{NiSO}_{1} .611 \mathrm{l}_{2} \mathrm{O}$

The increasing thermal stability order can be returned it. Just look at it carefully. I'm writing the caramel the stability order. So here in this problem, the least thermal stability, each of B E coterie compound. After that, it is off MG co three compound. After that, it is of c s c o t t c A CO three compound and the highest ideals. Okay to see you three compound. So according to the option of some beads, correct here, I hope you understand it.

Today we will do some synthesis. So retro synthesis errors. If you want to make meta die promo benzene first start off with the benzene molecule. Okay so in order for us to direct to the meta position you sort of cannot use um growing to do that because it directs or so. Para. Okay so we're going to have to use the sand. My reaction starting off with the nitrate nation. Okay now we have a nitro group which is a meta director. Okay now we can predominate. Okay now to turn this nitro group into a bro mean we're going to just take use of the bends dies oni. Um and I okay so we'll first need to reduce with metal over a silver medal to make our anil in type function or type molecule this week. Okay then to do the sand meyer reaction we take sodium nitrate. Okay. With some hbr at zero degrees Celsius. Okay. And we follow them off with some copper. Some kubrick bro. Might. And we get the target molecule in case of that old just replace the amy here with a broom. A group. Now if you want to make um meta promo final we will use moralists this exact same path. Okay. But when we start off with our meta bro mo, insulin we will Okay do the stand my reaction with sodium nitrate. Now if we will use HCR came to get this intermediate here. Okay then to get the alcohol substitution we'll just use some slightly acidic solution and heat and that will convert that into an alcohol. Okay, now with an or so chloroform channel can archer synthesis arrows? We will start with Ben seen. Okay and for this when we will need an Ortho director. Okay? So if we you start off with and alcohol, it is possible for us to or so direct chlorine adam. Okay, so okay but to make the alcohol we're going to use to stand meyer kind of hydration. Okay, so I'll just do this in one step. But you can take again 30 and nitrate. In this case we use hcl zero degrees and then reduce the nitrile. Yeah, actually, we're trying to make a nitro group trying to make anil in here. Two. If they're going to make an elin will sort of step one with the nitro. Just nitric acid with sulfuric acid. Okay then we would use that with zinc hcl. Okay, there we make up our analysts. Okay then we will make the intermediate the day Amazonia. Okay, now we will use sodium nitrate. Hcl sarah. Did Greece. Okay, that will make the titanium chloride then we will her place got chloride heat up the reaction and at some asset. And that will give us the final. Okay, so just basically four steps now to get to this female. Okay, now this good um electron donating activating group. We'll just allow for some chlorination here. I believe you won't even need to lose assets. And so activating then we'll get target molecule. Yeah. Okay. Text up. We are making very natural call you in. Okay. So we will do here first off is meet a meta director. Okay. I read to um we need to Friedel crafts so we will start off with the free the Friedel or coalition because we know that a natural group actually is deactivating two. That group. Okay then where is not going to need to add another meta director to get that position there. Okay. So if we were to just go ahead and do an iteration step, what happened here is we have now added the matter director. Okay. But it's you know in the wrong position. What we can do now is convert this into an Ortho director. Okay. So then it can Orthodox wrecked a nitrate nation onto this position here. Okay, so we can just use in metal over acid to make the Antolin, you hear the amine and I will do another night trey shin step to make the Ortho nitro ation because the aiming will be an Ortho director. Okay. And well you would have made their is this a mean and it's a natural our author to the nitrile. Okay, so now that we have an extra in the spot that we needed to be, we can remove this um amine group using the Sand Meyer Museum taking some day, Sony intermediates here. Okay, so here we have, someone would have formed the di zoning Coric, then we'll use some phosphoric asset. Okay. Which will basically um replace the dies oni um with a hydrogen. Okay, it's actually some hypo phosphoric acid to get his tour target molecule cleaning off this. I mean basically. Okay. Okay. So here um we have para methadone. Ben's unnatural. Okay, so let's just first move the small cule over to give us some more room. Right? So again we will start with a benzene. Okay? And as we can see here, we have a pair of substitution. Okay? So knowing you've been making it to the standby reaction, we know that if we have a nitro group. Okay. That would be a matter if we have the Antolin. That would have gotten this to a pair. So first start off by making an Ellen. Okay, So stop one is to make the nitro compound with nitric acid and sulfuric acid. And then step two would be to reduce out over metal. And that will give us a gentleman. Okay? And Alan is a good electron Dorian group with a flowing pair so it will activate. Are a So where all cuffs or actually are real crafts calculation. Okay. And you might produce some Ortho but we will definitely get some paris substitution bear. Now you will basically now just convert this. I mean into a nitro. Okay, so should go this way. We'll start off with some Saudi and right right over the Hcl hold to make her dia sodium chloride. Show it here looks like that. Okay now we can replace we could substitute for the dystonia chloride using some cooper Creek night trial. Again, I'll get us to the target molecule. Lastly here we have chloral, medical or Benzoyl. Died true. So again we all start off with bending group. We have some other we have a matter compound here. The matter substitution. Yes. So if you're starting off with a metal, I would actually be an Ortho para director. But once we oxidize are metal to the benzoyl to hide that will make it. Now. Eh, I met us, um, I met a director. So we'll start off with that. There are a soul crafts or are Friedel crafts calculation. Okay. And we will oxidize that using some manganese dioxide even before it. I'm agonies oxidation. We actually have to install some more reactivity onto this metal. Okay. Bye College needing it. NBS peroxide. Hello, will allow us to get to the the brahma metal. Okay. So then we'll just use some study my job site then to turn this into pencil, alcohol. You know, now we can, you know, do some more the activities to turn that into been told to hide that they're manganese dioxide and heat. Okay, not well, let's just go this way. We'll get us. Who bends all the hide. Okay, so with this we know that this carbon Neil functionality is sort of a moderate deactivate ER and meta directors. So we can now use Arlen and require a Lewis acid. There's some chlorine gas, too. Get us to the meta position on our target molecule.

All right, So we have two moles. Sorry. We have 2.0 moles. Each of the following compounds we've got, uh, silicon tetrachloride. We've got lead two oxide, and we've got I earn three oxide. So we have to figure out, um, what the order of these compounds is gonna be, uh, ranking them from greatest mass release mass for 2.0 bolts love each of these compounds, so let's just do a little bit of looking at a periodic table. So pull that up on your device. Um, so oxygen that weighs about 16 atomic mass units. Chlorine 35 silicon 28 lead is absolutely massive. At 207. I earn That is 59 about action again. 16. So, taking a look at all of this, it looks like, um, we're gonna have to do a little bit of math because these air all a little hard to multiply and add in your head. So let's start with silicon dioxide. So I'm sorry. Silicon Tetrick full ride. So we've got 35 times for plus 28. That's gonna be a grand total of 1 68 Um, lead two oxide. That's gonna be one. I'm sorry. 2 23 and I earn three oxide is gonna be nine times two plus 16. Three. That's 1 66 All right, so now I can rank it, so it's gonna be, um, iron free iron. Three oxide less than silicon. Tetrachloride is less than lead two oxide, and I said

Where were given the grams of each element within a compound. And we have to figure out what is the empirical formula we're first going to want to figure out. I mean, always when we want to know empirical formula, we want to figure out how many moles of each element we have. So in this case, they're giving us the Gramps. We can use that elements molar mass to figure out to convert the grams to moles. So let's do that for three. Gentlemen, So we have 56.15 grams of carbon. We're gonna multiply that by the molar mass of carbon. Sorry. This time we're actually gonna divide by the molar mass A car because we have 56.15 grams and we re


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