What are the pKas of #HCN#, hydrocyanic acid and #HF#, hydrofluoric acid?

1 Answer
Truong-Son N.
Feb 2, 2016

They are:

#"pKa"_("HC"-="N") = 9.31#

#"pKa"_("HF") = 3.46#

Or you could have looked them up in a few minutes. I googled "pKa of HCN" and found this on the second link down.

So, which is the stronger acid? Would you say it is #"HF"#? Why?

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