Chemistry - GOC Question with Solution | TestHub
ChemistryGOCAcid BaseMedium2 minQB
ChemistryMediumsingle choice
Predict the direction of the following equilibrium and the approximate value of Keq.
NaF + HCl NaCl + HF (pKa : HCl ≈ -6, HF = 3.22)
Options:
Answer:
B
Solution:
The acid on the left is HCl (pKa ≈ -6) and the acid on the right is HF (pKa 3.22). HF is the much weaker acid, so the equilibrium lies far to the right. Keq ≈ 10^(3.22-(-6)) = 10⁹·²²·
Stream:JEESubject:ChemistryTopic:GOCSubtopic:Acid Base
⏱ 2mℹ️ Source: QB
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