Question

цепочка превращений​

Answer 1

1) 2C2H2 + 5O2 = 4CO2 + 2H2O

2) C2H2 + H2 (t,Ni)= CH2=CH2

3) CH2=CH2 + H2O (t,h2so4)= CH3-CH2-OH

4) CH3-CH2-OH + CuO (t)= CH3-COH + Cu + H2O