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試卷名稱：111年 - 111 國立清華大學學士後西醫學系單獨招生考試_學士後醫學系自然科學組：化學#110532
年份：111年
科目：學士後◆化學
30. Five different types of chemical bonds in the molecular structure of ethanol are shown in Fig. 3. Which of the following statements about reactions in which ethanol breaks bonds is incorrect?
(A) Bond ① breaks upon reaction with sodium metal.
(B) Bond ② and bond ⑤ break, when heating with concentrated sulfuric acid to170℃.
(C) Only bond ② breaks, when heating with concentrated sulfuric acid to140℃
(D) Bond① and bond ③ break upon reaction with O2 catalyzed by copper.
(E) Only bond ① breaks, when reacting with carboxylic acids in the presence of concentrated sulfuric acid.
