丙種維生素是含氧量豐富的碳化合物,它的結構如圖所示。下列哪項或哪些有關丙種維生素的陳述正確?
(1) 它的化學名稱是抗壞血酸。
(2) 它可使用酵母進行葡萄糖的發酵來生成。
(3) 它的分子有一個手性碳原子。
25分鐘測驗:課題十三 工業化學
Quiz
•
Chemistry
•
9th - 12th Grade
•
Hard
Chemistry Aristo
FREE Resource
20 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
丙種維生素是含氧量豐富的碳化合物,它的結構如圖所示。下列哪項或哪些有關丙種維生素的陳述正確?
(1) 它的化學名稱是抗壞血酸。
(2) 它可使用酵母進行葡萄糖的發酵來生成。
(3) 它的分子有一個手性碳原子。
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
從二氧化氮分解成一氧化氮和氧的反應是二級。速率方程是:速率 = k[NO₂(g)]²,式中k代表速率常數。已知這反應速率的單位是mol dm⁻³ s⁻¹,速率常數的單位是甚麼?
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
哪濃度對時間的坐標圖,屬涉及只有一個反應物(X)的零級反應?
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
在相同的實驗條件下,進行了三次實驗來研習以下反應的動力學:
X(aq) + Y(aq) → Z(aq)
表格顯示所得的數據。下列哪項是這反應的速率方程?
A. 速率 = k[X(aq)][Y(aq)]²
B. 速率 = k[X(aq)][Y(aq)]
C. 速率 = k[Y(aq)]
D. 速率 = k[X(aq)]
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
6.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
現進行一實驗,以研習糖溶液在有酵母的情況下發酵的動力學。表格顯示實驗進行時,在不同時間下糖溶液的濃度。下列哪項有關這發酵的陳述正確?
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
考慮圖中的反應。從實驗得知,對應I₂(aq)的反應級數是零。下列哪些有關這反應的陳述正確?
(1) I₂(aq)的濃度隨時間呈直線下降。
(2) 在反應開始至終結,I₂(aq)濃度變化的速率是固定的。
(3) 增加I₂(aq)的濃度不會使反應的速率上升。
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