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6.Rank the following fatty acids in order of increasing (lowest to highest) melting point: points)HO -...

Question

6.Rank the following fatty acids in order of increasing (lowest to highest) melting point: points)HO -

6.Rank the following fatty acids in order of increasing (lowest to highest) melting point: points) HO -



Answers

Arrange the following compounds in order of increasing melting point.

Mm. Okay, so this question asked us to arrange the following substance in other increasing the melting point. So the substance there are irons, methane and acting and sodium hydroxide. Yeah, so the melting point problem is actually basically interaction problem because during the mountain you have to break down or break up the interactions between the atoms or molecules. So in the determined which one has the largest melting point is basically to determine which one has a stronger inter atom or inter molecular interactions. So first let's say. Yeah. So we know irony is a medal and national and matting I actually molecules and sodium hydroxide, A chloride is a ionic crystal and now we can try to determine their interactions. So for the medal in a solid, the interaction mostly we call the metallic bond and for the sodium hydroxide it's ironic crystal, the interactions inside the lattice are called electric static force. And for the molecules, the interaction basically uh diaper interactions than the world's force or hydrogen bonds. So now here it becomes pretty easy because Mhm. Normally those diaper hydrogen bond is the weakest. So, we know for these two molecules they have the weakest uh interactions. Sage 3, 0. H. Stage three Stage 3 is smaller than the iron and sodium hydroxide. Then we can actually compare them separately for this. True, right. As I mentioned, the interaction of man words force and the hydrant bond. But for the methane, it has all age group. So it means it will have a hydrogen bond. So the hydrogen bond is definitely stronger than the normal than words force. So which means this is A. B. This is C. So the interaction be actually larger than the sea. And for the iron and sodium chloride, it's a little bit tricky. But normally speaking, that breaking the ionic interactions is much harder than the metallic bombs. So you can verify that. I mean, if I remember correctly, the melting point of sodium chloride is actually 104 is actually 100 degree C. And the melting point of the iron is actually pretty large. So sometimes this too is a little bit harder because now in directions strands out in the same level. So it's uh sometimes you have to do a comparison or just check the real value. But here in this case, actually uh the Iran has a higher melting point. So now we know the iron has stronger interactions than sodium chloride, so which means A. Is larger than the D. So now the interaction sequence becomes a larger than D, larger than be larger than C. And if you increase the melting point, it becomes see the smallest smaller than be smaller than t, smaller than A. And this is the answer.

Hey, guys. So today we're gonna be talking about multi point and, um, triglycerides. So the melting point of fatty acids depends on a couple of things, but just to break it down, it depends on molecular weight. So the higher your Millhauser weight, the higher your multi point and the president will want. So if you have a lot of double bonds, being your fatty acid is very unsaturated, then you're melting. Point is going to be the world's going to be easier to melt. So if we take a look at these four fatty acids, we have plummeted gases. Syria gas, it'll leg acid and little lake acid, right? So Paul Medicus, sinister guy, said they both don't have those bonds being there saturated. So M. Since they're saturated, it's going to be a lot harder to melt than, um, fatty acids that are unsaturated like Oleic acid and little like acid. So Paul Medic Acid has 16 carbons. Steer graphic has 18 apartments. They both don't have any double wants. Oleic acid has 18 carbons and has wonderful want, whereas little like acid has 18 carbons and to double wants. So if we look at the melting point of these fatty acids from lowest to highest meaning lowest melting point. The highest melting point. I never didn't one through 41 being the lowest in high being for being the highest. So first, we have little like acid because it has 18 carbons and two double bonds. I write that as the wrist melting point because is very unsaturated and saturation. Um, and on saturation plays a really big role in the multi point. So that's why I counted that with greater weight. Then I did in terms off the amount of carbons or their molecular weight. So then we looking also look at, um, Oleic acid Oleic acid had, um, one double bond. It also had 18 carbon. So it was the next up in the melting point. And then we have, um, Paul Medic acid, which had 16 carbons, um, versus Syria gas, which has 18 carpets, a bullet on Havel double bonds. So we're gonna look at the military that weight, something that has more carbons, is going to have a great myth of their weight and in greater molecular way, is going to tell us that, um, that the melting point is going to be higher is going to be harder to melt. So that's why we compared Thies too when looking at Paul Menegazzo versus Syria. Gas it. So anyways, we did. We rank this based on, um the amount of carbons or the mother we and also the amount of double bonds or their saturation versus there on saturation. But if we look it up, you can see that Paul medic acid has 63 degrees Celsius of a multi point steer casted 69 degrees Celsius. Oleg asked at 13 degrees Celsius and little leg us was actually negative five degrees Celsius, so we actually ranked it correctly. Now if we want to look at the trackless rides, um, the trackless rise again. Remember, they are basically, um, a cholesterol attached to three fatty acids rate. So if we have a combination of a trickle started with Paul Mitic acid, another prominent acid and hysteric acid, then to tell their melting point, what I do is I averaged him because we're gonna basically try. What we're gonna try to do here is we're gonna try to predict the melting point of this travelers, right? Right. So I know that Paul medic acid has 63 degrees Celsius. Pullman, um, and steer gets has 69 degrees Celsius. So I just took the average and I saw that this struggle a story most likely have a multi point of 65 degrees Celsius, right? Um and I'm not really counting the cholesterol here. I'm just honestly counting by thief fatty acids. And this is a This whole thing that we're doing here is basically a prediction. Um, so then if we have a trackless ride with a leg acid, citric acid and Paul medic acid, we know that Oleic acid has 13 degrees Celsius in terms of its melting point Ciric acid in 69 degrees Celsius. And Paul medic acid is 63 degrees Celsius. So we know that the average melting point off this are the average of these three. Melting point is gonna basically tell us what the melting point of the trouble is. I would be more less, and that comes down to 48 degrees Celsius. Okay, then we have another example which be Oleic acid finance A with a little Star Trek bliss ride with a lake acid, a little like acid, and another Oleic acid. And so if we average out there melt, they're melting points. The of the three fatty acids we get that the trackless ride with these three fatty acids would be seven degrees Celsius. Okay, so the order of the trackless rides melting points would be from lowest to highest. Would be, um C b and S O. C. Being this travelers, right? Right here and then be being this struggle started here and then a with the highest melting point being this struggle surgery here. So that's all. And I hope this helps you guys.

Okay, I so just quickly talk about how the length of a carbon chain plays a big role in the multi point of lipid structures. So the more carbon carbon bonds that you have within your lipid structure or that wants more bonds you have in general within your structure, the higher the melting point of your structure. Uh, the higher the most of any structure is going to be. So, um, if there are more carbon carbon bonds or if there's any or if the chart, the carbon chain is greater, there is going to be more bonds that have to be broken. Therefore, more energy is going to be required to completely melt the lipid structure. So an example would be Lord Gastric versus Siragusa. So, Laura gas, it has, um, 12. You can see right here. It has 12 carbons within its chain, 12 carbons within a structure and Syria gas. It has 18 carbons within a structure. So because strict as it has more carbon carbon, more carbon carbon bonds, the greater its melting point is going to be compared to Lorik acid, which only has 12 carbon. It's so at the end of the day, when we're looking at both structures, we can already tell right away that, yeah, they're both saturated. However, because citric acid has 18 carbons or a floor castle, which only has 12 we know that the melting point of steering asset is going to be greater.

In problem. 44 4 oils abc and they have the following values of melting point. Now among these which oil is prohibited from consumption by cardiac patients. So the oils having higher and saturation in fatty acid component have very low melting point. Hence on consumption of these oils there is less chance of blockage of blood vessels. The saturated oils have higher melting point and so they get therefore they get solidified easily so they blocked the blood vessel. So so we can say that these are prohibited from consumption by so are prohibited from consumption by cardiac patients. So therefore okay. Oil D. Is protected from and Oil Day is prohibited from consumption by cardiac patient. Mhm. Mhm. So therefore the Oil Day is prohibited from consumption by a cardiac patient. So the correct answer is option for That is option day having the melting .303 Calvin. So the option for is correct.


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