Equilibrium Question 345

Question: For a weak acid $ HA, $ Ostwald’s dilution law is represented by the equation

Options:

A) $ K_{a}=\frac{\alpha c}{1-{{\alpha }^{2}}} $

B) $ K_{a}=\frac{{{\alpha }^{2}}c}{1-\alpha } $

C) $ \alpha =\frac{K_{a}c}{1-c} $

D) $ K_{a}=\frac{{{\alpha }^{2}}c}{1-{{\alpha }^{2}}} $

Show Answer

Answer:

Correct Answer: B

Solution:

Mathematical form of Ostwald-s dilution law.



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