Объяснение:
C4H10 -> C2H6 + C2H4 (t)
CH3-CH3 + Cl2 -> CH3-CH2-Cl + HCl (hy)
CH3-CH2-Cl + NaOH = CH3-CH2-OH+ NaCl
CH3-CH2-OH + CuO-> CH3COH + Cu + H2O
CH3COH + Ag2O -> CH3COOH + 2Ag
