CH3Cl→ CН3ОН → НCHO → HCOOH
CH3Cl + NaOH == CH3OH + NaCl
CH3OH + CuO == HCHO + Cu↓ + H2O
HCHO + Ag2O == HCOOH + 2Ag↓
CH3Cl→ CН3ОН → НCHO → HCOOH
CH3Cl + NaOH == CH3OH + NaCl
CH3OH + CuO == HCHO + Cu↓ + H2O
HCHO + Ag2O == HCOOH + 2Ag↓