複選題

21.下列物性的比較，請選出正確選項?
(A)沸點: CH3CONH2 ＞ CH3COOH ＞ C2H5NH2 ＞ C2H5OH
(B)酸性: HOOCCOOH ＞ HOOCCH=CHCOOH (trans) ＞HOOCCH=CHCOOH (cis) ＞ CH3COOH
(C)鹼性: (CH3)2NH2 ＞ CH3NH2 ＞ C6H5NH2 ＞ NH3
(D)酸性: CH3COOH ＞ H2CO3 ＞ C6H5OH ＞ C2H5OH
(E)與水的溶解度: CH3NH2 ＞ (CH3)3N ＞ C6H5NH2

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