😆 LÍ THUYẾT ESTE - LIPIT 4 😆
Quiz
•
Chemistry
•
12th Grade
•
Medium
Duyên và Trọng
Used 4+ times
FREE Resource
48 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
2 mins • 5 pts
Answer explanation
2CH3COOH + 2Na → 2CH3COONa + H2
CH3COOH + NaOH → CH3COONa + H2O
CH3COOH + NaHCO3 → CH3COONa + H2O + CO2
HCOOCH3 + NaOH → HCOONa + CH3OH
2HOCH2CHO + 2Na → 2NaOCH2CHO + H2
2.
MULTIPLE CHOICE QUESTION
2 mins • 5 pts
Answer explanation
X1 và X2 đều có khối lượng phân tử = 60 đvC
⟹ X1 và X2 có cùng công thức phân tử: C2H4O2.
+ X1 có khả năng phản ứng với Na; NaOH; Na2CO3 ⟹ X1 là axit.
⟹ X1 là CH3COOH.
+ X2 phản ứng với NaOH đun nóng mà không phản ứng với Na ⟹ X2 là este.
⟹ X2 là HCOOCH3.
3.
MULTIPLE CHOICE QUESTION
2 mins • 5 pts
4.
MULTIPLE CHOICE QUESTION
2 mins • 5 pts
Answer explanation
5.
MULTIPLE CHOICE QUESTION
2 mins • 5 pts
6.
MULTIPLE CHOICE QUESTION
2 mins • 5 pts
7.
MULTIPLE CHOICE QUESTION
2 mins • 5 pts
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