2СH4=C2H4+2H2
C2H4+H2=C2H6
C2H6=C2H4+H2
C2H4+H2O=C2H5OH
2C2H5OH=CH2=CH-CH=CH2+H2+2H2O
CH2=CH-CH=CH2+2Br2=CH2Br-CHBr-CHBr-CH2Br
C2H4=C2H2+H2
C2H2+H2O=CH3COH
CH3CHO+Ag2O=2Ag+CH3COOH
CH3COOH+CH3OH=CH3COOCH3+H2O
CH3COOCH3+H2O=CH3COOH+CH3OH
C2H4+CL2=C2H4Cl2
C2H4Cl2+NaOH=C2H4(OH)2+2NaCl
C2H4(OH)2+2Na=C2H5(ONa)2+2H2