HCOOH+HO-C2H5=H-CO-O-C2H5+H2O
HCOOC2H5+HOH=C2H5OH+HCOOH
C2H5OH+CuO=C2H4O+Cu+H2O
CH3-CHO+Ag2O=CH3COOH+2Ag
CH3COOH+KOH=CH3COOK+H2O
HCOOH+HO-C2H5=H-CO-O-C2H5+H2O
HCOOC2H5+HOH=C2H5OH+HCOOH
C2H5OH+CuO=C2H4O+Cu+H2O
CH3-CHO+Ag2O=CH3COOH+2Ag
CH3COOH+KOH=CH3COOK+H2O