CH3CH2COOH + Cu(OH)2; + Ag2O; + Ag
2СH₃CH₂COOH+Cu(OH)₂->(CH₃CH₂COO)₂Cu+2H₂O 2C₂H₅COOH+Ag₂O->2C₂H₅COOAg+H₂O 2C₂H₅COOH+2Ag->2C₂H₅COOAg+H₂↑