
考考你:第64章 儀器分析方法
Quiz
•
Chemistry
•
9th - 12th Grade
•
Practice Problem
•
Hard
Chemistry Aristo
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8 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
下列哪濾光片適合用於為鉻酸鈉溶液樣本作比色量度?
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
下列哪些有關比色法的陳述正確?
(1) 使用比色計來進行比色法。
(2) 它是透過量度穿透有色物種的樣本溶液的光的量,來測定有色物種的濃度。
(3) 有色物種溶液的濃度越低,它的吸光度便越低。
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
下列哪些特徵紅外輻射波數域可用來辨別丙-1-醇和丙酸?
(1) 波數域1680–1800 cm⁻¹
(2) 波數域2500–3300 cm⁻¹
(3) 波數域3230–3670 cm⁻¹
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
化合物W的紅外光譜如圖中所示。W最有可能含有以下哪鍵合?
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
P是非環狀化合物,它的分子式是C₃H₈O。P與過量酸化重鉻酸鉀溶液回流加熱時,可被轉化成化合物Q。Q的紅外光譜如圖中所示。P的簡明結構式是甚麼?
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
下列哪離子在質譜儀內的偏轉幅度最小?
A. C₆H₅³⁷Cl²⁺
B. C₆H₅³⁵Cl²⁺
C. ⁺CH₂⁸¹Br
D. ⁺CH₂⁷⁹Br
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
下列哪些化合物可在它們的質譜中產生在m/z = 57的峰?
(1) CH₃CH₂CH₂CH₂CH₃
(2) CH₃COCH₂CH₂CH₃
(3) CH₃CH₂COCH₂CH₂CH₃
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