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Question 20Which of the following compounds is NOT soluble in Cyclohexane?hexane; C6H14Potassium carbonate: K2CO32-butene; C4HgEthoxyethane: C4H]0OMoving to another...

Question

Question 20Which of the following compounds is NOT soluble in Cyclohexane?hexane; C6H14Potassium carbonate: K2CO32-butene; C4HgEthoxyethane: C4H]0OMoving to another question will save this response

Question 20 Which of the following compounds is NOT soluble in Cyclohexane? hexane; C6H14 Potassium carbonate: K2CO3 2-butene; C4Hg Ethoxyethane: C4H]0O Moving to another question will save this response



Answers

Which of the following is moderately soluble both in water and in benzene $\left[\mathrm{C}_{6} \mathrm{H}_{6}(1)\right]$, and why? (a) 1 -butanol, $\mathrm{CH}_{3}\left(\mathrm{CH}_{2}\right)_{2} \mathrm{CH}_{2} \mathrm{OH} ;$ (b) naphthalene, $\mathrm{C}_{10} \mathrm{H}_{8} ;$ (c) hexane, $\mathrm{C}_{6} \mathrm{H}_{14} ;$ (d) $\mathrm{NaCl}(\mathrm{s})$

So in this problem, we're trying to figure out which one is gonna be soluble in both water H 20 and benzene C six h six. So are right off the bat. We can we know that water is very polar. Um, and that this therefore means it's going to be, uh we're gonna be looking for other polar substances that we can dissolve in water or any ionic compounds, whereas C six h six is non polar because we have that large hydro carbon backbone between carbon and hydrogen. So we're really looking for something that is going to have a polar section and a non polar section right off the bat. We can pretty much tell it it's gonna be this, uh, first compound because we have this long hydrocarbon backbone recieve lots of carbons, and then we know an O age group. The alcohol group is gonna be very, uh, polar. All these other options, this is Ah, hydrocarbon. So it's non polar entirely. This is non Golar entirely as well. And n a C l is an ionic compound, and we know that that's mostly stabilized by the polar interactions from the water, whereas it would not be stabilized in our Benzie. So that's gonna only dissolve in wire

In which the song would cyclo hexane have the lowest soy ability. Non polar compounds are soluble, yeah. In non polar solvents. Okay. And insoluble, Yeah. In polar solvents, Since ethanol is the most polar. Mm hmm. Yeah. Cycle Tech Scene. Mhm. Just non polar, Yeah. Is the least soluble. Mhm. Mhm. In ethanol. Mhm. Mhm.

Loved one. This is Ricky, and today we're working on problem number six. We have to predict whether each of the following substances would be more likely to dissolve in water or a hydrocarbon. I like hip pain. And so the key thing to remember here is like dissolves. What and what that means is, if you start with a non polar molecule, it's more likely to dissolve them. No one. Polar solvent versus If you have a polar solve a polar molecule, it's more likely to dissolve in a hold herself. All right, so vegetable oil vegetable oil is in oil, so it's non polar, most likely will dissolve in hip pain. Isopropyl alcohol is a polar molecule, so it's more likely to dissolve water Then, lastly, we have an ionic compound. Potassium bromide and ionic compounds are very polar, so of course, locals off. Well, I hope this video was

So in this question, we're going to try to understand solid ability. So we want to know which of the following in the pairs would be more soluble. So in the first example, ethanol soluble because it contains a polar ohh boss, ethanol is so Ethan ologists is this and then heck saying um is just going to be the straight chain. Okay, so basically just going to look like that just with the hydrocarbon chain and ethanol has always group. So ethanol is soluble in water because it has a polar, all bonded to age bond, it can undergo hydrogen bonding with water. So as you know, water is going to be Htoo. So you can visualize that we're going to have water here. So the electro negative oxygen is going to take the electrons towards it and then that will make the bond to the h weaker and cause that to have a positive charge. And then the negatively charged oxygen is just going to be able to be attracted to the hydrogen. Um And so this ethanol molecule can undergo hydrogen bonding with the water because it is polar. So actually on the other hand, doesn't have this polar bond, so it cannot undergo the hydrogen bonding. So what that means is basically the ethanol soluble but the heck chain is not. And remember that likes dissolve like so polar solvents dissolve polar solute and non polar solvents dissolve non polar solute. So that is why it would be ethanol. Now the scalability of low molecular weight carbonnel compounds and water is due to the hydrogen bonds that form between the oxygen atom of the Carbonneau group and the hydrogen atoms of water molecules. So what that means is if we have Aldo hide which has this group, it can be soluble because you see that we have a negatively charged oxygen atom and then that can form bonds with the partial positive charge of the hydrogen and that is what will make it soluble. So in this case though we also have this non polar region that causes this to be less soluble. Also the Aldo hide, it is not as soluble as the alcohol because O. Is not bonded directly to the H. In the elder high we have the C. Double bond toe and the H. So in this case we have a rule that Aldo hide with fewer than five seeds are soluble in water, so butin L. Is going to be soluble because it has the shorter non polar region, so it has less of the hydrocarbons, making it non polar and less soluble. Hexagonal has six carbons in carbon change. So it has a larger non polar region. That's what heck smell is not as soluble. So now We look at two different Aldo hides. We have proper now and then we have a longer hydrocarbon chain on an alga hide. So just by looking at this and what we discussed in the previous problem, we know that pro penile is going to be more sellable because of that shorter non polar Carbon chain, which is less than five carbons.


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