CH2=CH-CH3 +HCl---> CH3-CHCl-CH3 ADITIE
CH2=CH2 +Cl2-----> CH2Cl-CH2Cl ADITIE
CH2=CH-CH2-CH3 + 6O2---> 4CO2+ 4H2O ARDERE.....daca este vorba de oxigen molecular !?
formula generala a alchenelor CnH2n<----->C6H12
CH2=CH-CH2-CH2-CH2-CH3 1hexena
CH3-CH=CH-CH2-CH2-CH3 2hexena