32. Rank the following compounds with respect to increasing acidity (least acidic to most acidic). (A) 3＜1＜2＜5＜5 (B) 4＜3＜1＜2＜5 (C) 4＜3＜1＜2＜5 (D) 5＜2＜1＜3＜4 (E) 4＜5＜2＜1＜3