4. Which of the following would give a positive Tollen's test?
(A) a-D-glucopyranose
(B) methyl ẞ-D-glucopyranoside
(C) sucrose
(D) methyl a-D-ribofuranoside
(E) the methyl glycoside of cellobiose
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統計: A(0), B(2), C(1), D(0), E(0) #3437001
統計: A(0), B(2), C(1), D(0), E(0) #3437001
詳解 (共 2 筆)
#7171857
一樣,這是一個不好的AI詳解
題目關鍵在還原糖的字尾是O S E
Oside 是非還原糖,選項C是用字尾判斷的例外,他是蔗糖,e是纖維二糖 也是例外

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