c2h6-c2h4-c2h5oh-ch3c(o)h-c2h5oh-c2h5cl-c2h5oh
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СH3 -CH3 -> CH2=CH2 (t, kat)

CH2=CH2 +H2O = CH3-CH2-OH (kat)

CH3-CH2-OH + CuO = CH3COH + Cu + H2O

CH3COH + H2 -> CH3-CH2-OH (P, kat)

CH3-CH2-OH + HCl -> CH3-CH2-Cl + H2O

CH3-Ch2-Cl + NaOH = CH3-CH2-OH + NaCl