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