Al4C3+12HCl=4AlCl3+3CH4
2CH4=(t)=C2H2+3H2
CH4+Cl2==(свет)==CH3Cl+HCl
2CH3Cl+2Na=C2H6+2NaCl
C2H6=(Ni)=C2H4+H2
C2H4+H2O=C2H5OH
2C2H5OH+Na2O=2C2H5ONa+H2O