1)СН4====>C2H2+H2

2)C2H2 +Н2O====>CH3COH

3) CH3COH + Н2====> CH3-CH2OH (при t,катализатор Ag)

4)  CH3-CH2OH + HBr======> CH3-CH2Br + H2O

5) CH3-CH2Br======>CH2=CH2 + HBr

6)  CH2=CH2+H2O===>CH3-CH2OH

7) CH3-CH2OH+CuO===>CH3-COH+Cu+H2O