Dee asked in Science & MathematicsChemistry · 1 month ago

Based solely on the pka values what is the reaction of HCN+HF?

pka HF=3.46

pka HCN=9.31


1 Answer

  • Fern
    Lv 7
    1 month ago
    Favorite Answer

    The smaller the pKa value, the stronger is the acid.

    The Ka of HF is 10^-3.46 while the Ka of HCN is 10^-9.31.

    HF will react with the conjugate base of HCN.

    The two acids do not react with each other.

    I believe the reaction requested is:

    HF + CN- <===> HCN + F-

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