1) CH2=CH2+Br2=CH2Br-CH2Br
CH2=CH-CH3+Br2=CH2Br-CHBr-CH3
2) CH2=CH2+HCl=CH3-CH2Cl
CH2=CH-CH3+HCl=CH3-CHCl-CH3
3) CH2=CH2+H2O=CH3-CH2OH
CH2=CH-CH3+H2O=CH3-CHOH-CH3
4) 3CH2=CH2+2KMnO4+4H2O= 3CH2OH-CH2OH+2KOH+2MnO2
C 2- = C - ------------------------------1 меняем местами- --------------------3
Mn 7+ =Mn 4+----------------------------3 и умножаем ----------------------1
3 CH2=CH-CH3+2KMnO4+4H2O= 3CH2OH-CHOH-CH3+2KOH+2MnO2
C 2- = C - ------------------------------1 меняем местами- --------------------3
Mn 7+ =Mn 4+----------------------------3 и умножаем ----------------------1