Ethene has a high electron density at the carbon-carbon double bond. HCl has a high electron density at the Chlorine because Chlorine is more electronegative, causing the molecule to be polar. So why doesn't the Chlorine end react due to being electronegative and attracting the electrons from the double bond?

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Ethene has a high electron density at the carbon-carbon double bond. HCl has a high electron density at the Chlorine because Chlorine is more electronegative, causing the molecule to be polar. So why doesn't the Chlorine end react due to being electronegative and attracting the electrons from the double bond?

Chemistry
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Chlorine react to what? Ethene?
Yes, so specifically I'm talking about this reaction, why doesn't this happen: |dw:1438516228526:dw|

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I haven't been into Chemistry for a long time.... but give me some time... I will definitely try to help you...
It's fine I am just curious I'm not taking a class or anything I have a chemistry degree actually haha.
could it be that the outer electron around the chlorine has 8 electrons and can't accommodate any more. It's been a long time since I did chemistry so I can;t say i;m a n expert!!
wouldn't the ethene be more attracted to the hydrogen ion?
since HCl is a polar molecule there would be a partial positive charge on H ion - if that makes sense.
Yeah that makes sense, it's just that it seems kind of paradoxical that Chlorine is more negative specifically because it has attracted more electrons than Hydrogen to start with. So what's stopping it from grabbing one more in the form of a bond to the ethene?
I don't' get you say that is didn't happn, it's' an additions reaction: A + B --> C H-Cl + CH2=CH2 --> CH3-CH2-Cl At least it may be instable cuz the carbocataion it's on the firs C (Markovnikov law)
@Bozhena Yes it does happen....
ok, so i don't' get the question ahah
I almost forgot so much of chemistry... Good revision..... Thank you....
Oh, wait you question is: why chlorine don just stole the electron?
Ahhh I'll clarify, the product you get happens by a different mechanism than I describe. Real way it works: Hydrogen adds to the double bond THEN Chlorine adds. My question is asking: Why doesn't Chlorine add first since it's more electronegative?
Okay.. now its interesting....
|dw:1438519813752:dw|
That's the actual mechanism that it reacts by.
hmmm....
Ah, ok. So you need to consider that you are in a liquid solition and HCL is dissociate
So as CH2CH2 had the doble bond, which make it have a negative electron cloud, the H+ is attracted frist.
|dw:1438520103896:dw|
sp2 hybridisation
I agree with everything you're saying, however I don't think it answers my question. Wikipedia says: "Electronegativity is a chemical property that describes the tendency of an atom or a functional group to attract electrons (or electron density) towards itself." Chlorine is more electronegative than Hydrogen, that's why HCl is polar. So why doesn't Chlorine which according to that definition, "attract electrons (or electron density) towards itself" ? Here's the article, first line: - https://en.wikipedia.org/wiki/Electronegativity
Cuz the Cl, when bondend had partial negative charge, and when dissociated has negative charge, than mean than it or had a "partial electron" or had one entaire (stoled from H), so he tecnicaly don't need another one. I visualize it like: Chemistry is not homosexual (i hon nothign again homosexuality, it just help me to realize all that molecule stuff), so you know that just negative and positive charges will attract each other, while teo same charge will repell. So the CH2CH2 had electron cloud, which make it slightly negative, and Cl, bondend or dossolved had partial negative charge or negative charge, so they repell each other.
Hahaha thanks I like that answer.
;)
Hey I just have this kind of an idea as well , as we know the electron density around the double bond is high right? so its more in to negative than positive. Hence the H which more positive than Cl can go and break that bond. Since we all know that same charges repel , I think the H which is more electropositive compared to Cl will go and add in first . I hope u get what I say.I just want to know what I suggested now is correct! @woodward
Yes that's correct! Thanks :D
oh well thank oyu @taramgrant0543664 did I argue right ?

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