
mô hình phân tứ acetic acid
Interactive Video
•
Chemistry
•
9th Grade
•
Hard
lê nungphin
FREE Resource
3 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Câu 1:
Phân tử acid acetic có tổng cộng bao nhiêu nguyên tử?
A. 6
B. 7
C. 8
D. 9
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Câu 2: Quan sát mô hình phân tử acetic acid, ta thấy nguyên tử nào liên kết trực tiếp với nhóm –COOH?
A. Nguyên tử hydrogen (H)
B. Nguyên tử carbon trong nhóm CH₃
C. Nguyên tử oxygen (O)
D. Nguyên tử nitrogen (N)
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Câu 3:
Trong phân tử acetic acid (CH₃COOH), nhóm chức đặc trưng là
A. –OH
B. –COOH
C. –CHO
D. –COO–
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