問題詳情

77. Rank the following in order of decreasing acid strength (most acidic FIRST).


(A) ② > ④ > ① > ③
(B) ① > ③> ④ > ② 
(C) ③> ① > ②> ④ 
(D) ③> ①> ④ > ② 
(E) ①> ② > ③> ④



參考答案