Triprotic Acids and Bases
17. Acid and Base Equilibrium / Triprotic Acids and Bases / Problem 3
Which of the following is correct based on the relationship of the successive pKa and Kb values for most polyprotic acids?
I. Ka1 < Kb1
II. Ka1 > Ka2 > Ka3
III. pKa3 > pKa2 > pKa1
IV. Kb1 > Kb2 > Kb3
V. pKb1 > pKb2 > pKb3
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