ch4-c2h2-ch3-c(h)o-ch3ch2oh-ch3ch2-br-c2h4-c2h5oh-ch3-c(h)o

СРОЧНО!!!Даю 73 балла

2CH₄ --> C₂H₂ + 3H₂ (t=1500C)

C₂H₂ + H₂O --> CH₃-COH (HgSO₄,t)

CH₃COH + H₂ --> CH₃-CH₂-OH

CH₃-CH₂-OH + HBr --> CH₃-CH₂-Br + H₂O

CH₃-CH₂-Br + KOHспирт.р-р --> C₂H₄ + KIBr + H₂O

C₂H₄ + H₂O --> CH₃-CH₂-OH

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