3-2-2-2-3 
3--2-3
2SO4 C3
3
. n2n ( ).
| 24 | 2=2 | |
| 36 | 2=-3 | |
| 48 | 2=-2-3 |  -
|
| 3-=-3 |  -
| |
| 2=-3 3 |
"".
48 , .
2=-2-3 2=-3
3
2=-2-3 3-=-3.
, . , 3-=-3, , , , , , :
H H CH3 H
C=C C=C
CH3 CH3 H CH3
- -
--. - .
.
| IUPAC | ||
| 3-=2 | ||
| 3--=2 | 1- | |
| 3-=-3 | Sim | 2- |
| 3-=2 3 | Asim | 2--1- |
. , . , ; , , . , , "" "". .
1. ( ) . .
2. .
H H
H-C-C-H 
HCl + CH2=CH2
H Cl
,
H H
CH3-C-C-CH3 + KOH 
CH3-CH=CH-CH3
Cl H () -H2O -
: , .. , , .
|
|
|
H H
H-C-CH=CH-C-H 
- 
- 12 -
H H -
3. (2S04, H3PO4).
OH
H3-CH-CH2-CH3 
CH3-CH=CH-CH3 + H2O
-
4. 2- .
H2-CH2 + Zn 
ZnBr2 + CH2=CH2
Br Br
5.
CH 
CH + H2 
CH2=CH2
