Viết các phương trình hóa học tương ứng với dãy chuyển hóa sau:
\[C_{2}H_{4}\overset{(1)}{\rightarrow}C_{2}H_{5}Cl\overset{(2)}{\rightarrow}C_{2}H_{5}OH\overset{(3)}{\rightarrow}{CH}_{3}CHO\overset{(4)}{\rightarrow}{CH}_{3}COOH\]
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Khách
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12 tháng 12 2024
During Tet, I will shop for groceries and prepare somethings such as clothes, flower,...Furthermore, I am going to clean my house with parents. In the Tet, I wil go to house of others and talk the lucky somethings to people. After Tet, I must learn in my school. And I will clean my house again because it can become dirty.
SV
Sinh Viên NEU
CTVVIP
17 tháng 11 2024
1 I have known Mary for a long time since we were little girls
PQ
24 tháng 6 2024
1. After finishing her studying, Trang went out with her friends.
2. Before eating lunch, the kids washed their hands.
3. We arrived at the cinema when the film had already started at 7 p.m.
4. After preparing the meal, my aunt picked up her son.
5. Before my mother came home, my sister had watered all the plants in the garden.
6. Tracy got bad marks because she hadn't revised the lessons carefully.
7. Before we started working, the manager had explained everything clearly.
8. My sister applied for a job in a big city after she had graduated from university.
9. After ironing all the clothes, I took out the trash.
10. He tasted that kind of food for the first time.
Tick mình nha bạn!