Question about HF (aq)

Acidity
Basicity
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204917020
Posts: 31
Joined: Fri Apr 06, 2018 11:05 am

Question about HF (aq)

Postby 204917020 » Sun Jun 10, 2018 9:17 pm

Why is HI(aq) a stronger acid than HF(aq)? I thought that since Fluorine wants to fill its octet and Hydrogen wants to share its one electron that would mean HF would be stronger since they would hold on tighter to eachother based on a larger difference in electronegativity, but HI is a stronger acid for some reason.

Jose Lupian 1C
Posts: 27
Joined: Fri Apr 06, 2018 11:03 am

Re: Question about HF (aq)

Postby Jose Lupian 1C » Sun Jun 10, 2018 9:39 pm

HF(aq) is a weaker acid than HI(aq) because HF(aq) has a stronger bond than HI(aq). Remeber that the stronger the acid, the more easily the acid will give off protons. Since HI(aq) has weaker bonds than HF(aq), HI(aq) is the stronger acid.


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