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Author: Subject: Ionic liquids
chornedsnorkack
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[*] posted on 5-9-2025 at 02:35
Ionic liquids


Test. I never can post recently. Will post in next post if this posts.


Sorry, this feature is currently not available...

[Edited on 5-9-2025 by chornedsnorkack]

I could edit - - if I repeated login. Neither of the reply options offered option to repeat login.

[Edited on 5-9-2025 by chornedsnorkack]
Anyway: now my substantive post on the intended thread topic:
Just why are strong acids not "ionic liquids"?
Concentrated sulphuric acid isn´t because it is mostly neutral H2SO4 molecules with a few ions.
Dilute sulphuric acid isn´t because it is mostly neutral H2O molecules with a few ions.
Likewise with nitric acid diluted in water etc.
But if ethylammonium nitrate is "ionic liquid" because it is C2H5NH3+ NO3-, with few neutral molecules, why isn´t strong sulphuric acid an "ionic liquid" consisting mainly of H3O+ HSO4-, with few neutral molecules of either H2O or H2SO4? Likewise with nitric acid.



[Edited on 5-9-2025 by chornedsnorkack]
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davidfetter
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[*] posted on 5-9-2025 at 05:52


Quote: Originally posted by chornedsnorkack  


Anyway: now my substantive post on the intended thread topic:
Just why are strong acids not "ionic liquids"?
Concentrated sulphuric acid isn´t because it is mostly neutral H2SO4 molecules with a few ions.
Dilute sulphuric acid isn´t because it is mostly neutral H2O molecules with a few ions.
Likewise with nitric acid diluted in water etc.
But if ethylammonium nitrate is "ionic liquid" because it is C2H5NH3+ NO3-, with few neutral molecules, why isn´t strong sulphuric acid an "ionic liquid" consisting mainly of H3O+ HSO4-, with few neutral molecules of either H2O or H2SO4? Likewise with nitric acid.



You could continue your inquiry by reading the Wikipedia entry, thinking over what you see there, following a link or three, and then coming back with questions arise from that process.

[Edited on 2025/9/5 by davidfetter]
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teodor
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[*] posted on 5-9-2025 at 06:05


You assume that strong sulfuric or nitric acid could be fully dissociated, but I am not sure it is the case.

But N2O5 is ionic solid. Probably there is some ionic liquid phase during melting, I don't know.
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bnull
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[*] posted on 5-9-2025 at 07:47


Quote: Originally posted by chornedsnorkack  
But if ethylammonium nitrate is "ionic liquid" because it is C2H5NH3+ NO3-, with few neutral molecules, why isn´t strong sulphuric acid an "ionic liquid" consisting mainly of H3O+ HSO4-, with few neutral molecules of either H2O or H2SO4? Likewise with nitric acid.

Q: What is the difference between ethylammonium nitrate and nitric acid? A: The cation.

I don't know if my reasoning is right or not (pro'lly plain wrong) but the reason is linked to the nature of the cation. Proton and hydronium are small cations, whereas ethylammonium is huge in comparison. If you replace hydrogen in sulfuric or nitric acid with a large cation, chances are the product is an ionic liquid. Ethylammonium hydrogen sulfate is an ionic liquid, if I'm not mistaken.




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teodor
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[*] posted on 5-9-2025 at 09:20


If imaginary acid is completely dissociated it is infinitely strong acid.
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chornedsnorkack
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[*] posted on 30-9-2025 at 12:37


test
Oddly, this answer after a long time posted. Generally my replies run dead at "Apologize for inconvenience"

Oh, and I did read the Wikipedia entry for "ionic liquid".
Ethylammonium nitrate is a liquid (with a big cation).
Nitric acid/"oxonium nitrate" has a small cation but it is also a liquid.
Why is nitric acid/"oxonium nitrate" not an "ionic liquid" considering it is a liquid?
I read Wikipedia article on "ionic liquid" first, but it does not explain. This is why I ask.

[Edited on 30-9-2025 by chornedsnorkack]

[Edited on 30-9-2025 by chornedsnorkack]
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davidfetter
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[*] posted on 1-10-2025 at 11:23


Quote: Originally posted by chornedsnorkack  
test
Oddly, this answer after a long time posted. Generally my replies run dead at "Apologize for inconvenience"

Oh, and I did read the Wikipedia entry for "ionic liquid".
Ethylammonium nitrate is a liquid (with a big cation).
Nitric acid/"oxonium nitrate" has a small cation but it is also a liquid.
Why is nitric acid/"oxonium nitrate" not an "ionic liquid" considering it is a liquid?
I read Wikipedia article on "ionic liquid" first, but it does not explain. This is why I ask.

[Edited on 30-9-2025 by chornedsnorkack]

[Edited on 30-9-2025 by chornedsnorkack]


Here's where looking into context rather than focusing narrowly on what looks to you like a random assemblage of words floating in space can help. The name was created in a historical context, and you can find some of that at the reference the very nice Wikipedian(s) provided that went to its original naming here.
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