Как из C2H5OH получить CH3C(O)-H ?
C2H5OH-->CH3C(O)-H
и ещё:
CH3C(O)-H --> CH3COOH
CH3COON---> CH3C(O)-O-C3H7
CH3C(O)-O-C3H7 --> C3H7-OH
C3H7-OH ---> CH3-CH2-C(O)-H
C2H5OH + CuO -t> Cu + H2O + CH3COH
Ответ:z=7; y=2; x=+14