A weak acid (ionization constant ) reacts with a strong base to form a salt. Find out the equilibriu — Ionic Equilibrium Chemistry Question
Question
A weak acid $HA$ (ionization constant $K_a = 10^{-4}$) reacts with a strong base to form a salt. Find out the equilibrium constant for this neutralization reaction.
Answer: A
💡 Solution & Explanation
Neutralization is the exact reverse of salt hydrolysis. For a WA-SB salt, $K_h = K_w / K_a = 10^{-14} / 10^{-4} = 10^{-10}$. Therefore, $K_{neutralization} = 1 / K_h = 1 / 10^{-10} = 10^{10}$.
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