The dissociation constants of formic and acetic acids are 1.77 * 10^-4 and 1.75 * 10^-5, respectivel — Ionic Equilibrium Chemistry Question
Question
The dissociation constants of formic and acetic acids are 1.77 * 10^-4 and 1.75 * 10^-5, respectively
Answer: A
💡 Solution & Explanation
Relative strength at equal concentration = √(Ka1/Ka2) = √(1.77*10^-4 / 1.75*10^-5) = √(10.11) = 3.18. Formic acid is 3.18 times stronger.
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