A) 4СH4 +2O2 -> C2H2 + H2O + CO2 + CO + 6H2
C2H2 + H2O -> CH3COH (t, Hg)
CH3COH + Ag2O -> CH3COOH + 2Ag (NH3)
CH3COOH + CH3OH -> CH3COOCH3 + H2O
Б) CH3-OH + CuO -> HCOOH + Cu + H2O
HCOOH + CH3-CH2OH -> HCOOCH2CH3 + H2O
2HCOOCH2CH3 + 7O2 ->6 CO2 +6 H2O