Ch2=ch2+(o)+h2o ch2=ch=ch3+hoh ch3-ch=ch-ch3+hl ch2=ch-ch2-ch=ch2+h2 ch3-c=c-ch3+cl2

2H2C=CH2 + 2[O] (PdCl2+CuCl2) = 2H3C-CHO;

H2C=C=CH2 + H2O (+H+) = H3C-C(O)-CH3;

H3C-CH=CH-CH3 + HCl = H3C-CH(Cl)-CH2-CH3;

H2C=CH-CH2-CH=CH2 + H2 = H2C=CH-CH2-CH2-CH3;

H3C-CH=CH-CH3 + Cl2 = H3C-CH(Cl)-CH(Cl)-CH3.