CH4 -> C2HCH4 + 2O2 -> 2CO2 + 2H22CO2 -> C2H2 + 2O2
C2H2 -> CHC2H2 + 2H2 -> C2HC2H6 -> 2CH3
O одинарная связь H -> CHOH + CH3Cl -> CH3OH + HCl
CH3 -> CHCH3CHO -> CH3COOCH3COOH -> CH3COCCH3COCl -> CH3CH2Cl
OH -> СHHBr + KOH -> KBr + H2CH3OH + HBr -> CH3Br + H2O
CH4 -> C2H
CH4 + 2O2 -> 2CO2 + 2H2
2CO2 -> C2H2 + 2O2
C2H2 -> CH
C2H2 + 2H2 -> C2H
C2H6 -> 2CH3
O одинарная связь H -> CH
OH + CH3Cl -> CH3OH + HCl
CH3 -> CH
CH3CHO -> CH3COO
CH3COOH -> CH3COC
CH3COCl -> CH3CH2Cl
OH -> СH
HBr + KOH -> KBr + H2
CH3OH + HBr -> CH3Br + H2O