CH2=CH2 + HCl ----> CH3-CH2Cl
2CH3-CH2Cl + 2Na ----> CH3-CH2-CH2-CH3 + 2NaCl
СH3-CH2-CH2-CH3 ----(AlCl3)---> CH3-CH(CH3)-CH3
CH3-CH(CH3)-CH3 ----(t,p,k)---> CH2=C(CH3)-CH3 + H2
3CH2=C(CH3)-CH3 + 2KMnO4 + 4H2O = 3CH2(OH)-C(OH)(CH3)-CH3 (2-метил, 1,2-пропандиол) + 2KOH + 2MnO2