C2H6->C2H5Cl->C2H5OH->СH3CHO->CH3COOH
C2H6+Cl2 = C2H5Cl+HCl
C2H5Cl+NaOH = C2H5OH+NaCl
C2H5OH + CuO = Cu + CH3CHO + H2O
CH3CHO + Cu(OH)2 = CH3COOH + Cu2O + H2O
C2H6->C2H5Cl->C2H5OH->СH3CHO->CH3COOH
C2H6+Cl2 = C2H5Cl+HCl
C2H5Cl+NaOH = C2H5OH+NaCl
C2H5OH + CuO = Cu + CH3CHO + H2O
CH3CHO + Cu(OH)2 = CH3COOH + Cu2O + H2O