CH3-C=O-H -> C2H5OHCH3CHO + H2 -> C2H5OH
C2H5OH -> C2H4C2H5OH -> C2H4 + H2OC2H5OH -> C2H4 + H2
C2H4 -> C2H2C2H4 -> C2H2 + H2
C2H2 -> CH3-C=O-HCH3C#CH + H2O -> CH3-C=O-H
CH3-C=O-H -> C2H5OH
CH3CHO + H2 -> C2H5OH
C2H5OH -> C2H4
C2H5OH -> C2H4 + H2O
C2H5OH -> C2H4 + H2
C2H4 -> C2H2
C2H4 -> C2H2 + H2
C2H2 -> CH3-C=O-H
CH3C#CH + H2O -> CH3-C=O-H