H2 CH2 = CH – C ≡ CH C2H4(1) (2) (3) (4) ↑CH4 C2H5OH(13)C2H2(6)(5)(12)...

Bài 7: H

2

CH

2

= CH – C ≡ CH C

2

H

4

(1)

(2)

(3)

(4)

CH

4

C

2

H

5

OH

(13)

C

2

H

2

(6)

(5)

(12)

C6H6 CH3CHO

(8)

(7)

(10)

(9)

(11)

C

2

Ag

2

(COOH)

2

CH

3

– CHCl

2

Hướng dẫn:

(1) 2C + H

2

3000

0

C

  

C

2

H

2

(2) 2C

2

H

2

    

CuCl NH Cl

,

4

CH

2

= CH – CH = CH

2

(3) C

2

H

2

+ H

2

  

P t

d,

0

C

2

H

4

(4) C

2

H

5

OH

  

180

H O

2

S

0

C

4

C

2

H

4

+ H

2

O

(5) CH

3

CHO + H

2

O

  

Ni t

,

0

C

2

H

5

OH

(6) C

2

H

2

+ H

2

O

    

Hg O

S

4

, 80

0

C

CH

3

CHO

(7) C

2

H

2

+ 4[O]

   

dd

KMnO

4

HOOC – COOH

Hoặc viết 3C

2

H

2

+ 8KMnO

4

+ 4H

2

O  3(COOH)

2

+ 8MnO

2

+ 8KOH

(8) CH

3

– CHCl

2

   

2 O /

K H ancol

CH ≡ CH + 2HCl

(9) CH ≡ CH + 2HCl  CH

3

– CHCl

2

(10) AgC ≡ CAg + 2HCl  HC ≡ CH + 2AgCl

(11) HC ≡ CH + 2AgNO

3

+ 2NH

3

 AgC ≡ CAg + 2NH

4

NO

3

600

0

C

(12) 3C

2

H

2

  

C

C

6

H

6

(13) 2CH

4

   

Lạnhnhanh

1500

0

C

C

2

H

2

+ 3H

2