問題詳情

4. For two monoprotic acids (HA, HB) and their conjugate bases (A- , B- ), the following relations are known: HA + B-

A- + HB, K ＞ 1 and pKb(A- ) ＜ 7.0. Which of the following order of K’s is correct?
(A) Kb(B- ) ＞ Ka(HB) ＞ Ka(HA) ＞ Kb(A- )
(B) Kb(A- ) ＞ Kb(B- ) ＞ Ka(HA) ＞ Ka(HB)
(C) Kb(B- ) ＞ Kb(A- ) ＞ Ka(HA) ＞ Ka(HB)
(D) Kb(B- ) ＞ Ka(HA) ＞ Kb(A- ) ＞ Ka(HB)

參考答案

答案：C

統計：A:0,B:0,C:1,D:0,E:0

難度：計算中