CH4-CH3-CH3-CH3-CH2OH-CH3-CH3

CH4 + Сl2 = CH3Cl + HCl     2CH3Cl + 2Na = CH3-CH3 + 2NaCl 2) CH3-CH3 + Cl2 = CH3-CH2Cl + 2NaCl     CH3-CH2Cl + NaOH(водн.) = CH3-CH2-OH + NaCl 3) CH3-CH2-OH = CH2=CH2 + H2O     CH2=CH2 + H2 = CH3-CH3