(2,0Đ ) C2H4 + H2O  C2H5OH (0,5Đ) C2H5OH + O2  CH3COO...

Câu 2. (2,0đ ) C

2

H

4

+ H

2

O  C

2

H

5

OH (0,5đ) C

2

H

5

OH + O

2

 CH

3

COOH + H

2

O (0,5đ) CH

3

COOH + C

2

H

5

OH  CH

3

COOC

2

H

5

+ H

2

O (0,5đ) 2CH

3

COOH + Mg  ( CH

3

COO)

2

Mg + H

2

. (0,5đ)