Цепочка 1)с2h5oh=> ch3coh=> ch3cooh 2)с2h5oh=> ch3cooc2h5=> ch3cooh=> ch3coona 3)с2h5oh=> бутадиен1,3=> каучук

1) C2H5OH + CuO=H2O + Cu + CH3COH

CH3COH + 2Cu(OH)2=CH3COOH + Cu2O + 2H2O

2) C2H5OH + CH3COOH <-H2SO4-> CH3COOC2H5 + H2O

CH3COOC2H5 + H2O =CH3COOH + C2H5OH

CH3COOH + NaOH=CH3COONa + H2O

3)2C2H5OH -t> CH2=CH-CH=CH2 + 2H2 + 2H2O 

nCH2=CH-CH=CH2 -t, p, кат.> (-CH2-CH=CH-CH2-)n