試題詳解

17. Which of the following 0.10 M solutions are correctly arranged in order of most acidic to most basic?
(A) HCl ＞ KCl ＞ NH₄Cl ＞ KCN ＞ KOH
(B) NH₄Cl .＞ HCl .＞ KCl ＞ KCN ＞ KOH
(C) NH₄Cl .＞ HCl .＞ KCN ＞ KCl ＞ KOH
(D) HCl ＞ NH₄Cl ＞ KCl ＞ KCN ＞ KOH
(E) HCl ＞ NH₄Cl ＞ KCN ＞ KCl ＞ KOH