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What will be the pKa value of HAuF6? Will it be greater than that of HSbF6?

What will be the pKa value of HAuF6? Will it be greater than that of HSbF6? - Chemistry Forum

What will be the pKa value of HAuF6? Will it be greater than that of HSbF6? - Chemistry Forum. Discuss chemical reactions, chemistry.


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Old 06-23-2009, 05:17 PM
Pipette Filler
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Default What will be the pKa value of HAuF6? Will it be greater than that of HSbF6?



I have heard that AuF5 is a more powerful fluoride ion acceptor than SbF5. I came to know the electron affinities of both compounds as 10 eV and 6 eV respectively. So AuF5 is a clear winner.
What if it is dissolved in anhydrous HF? I don't know the solubility of AuF5 in HF. But if it is soluble, then I think it will be the strongest super acid system.
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