Осуществить превращение реакции C2H3-C2H5CL-C2H4-C2H5OH-C2H4-C2H6
C2H4 + H2 = C2H6 C2H6 + Cl2 = C2H5Cl + HCl C2H5Cl + NaOH = NaCl + C2H5OH C2H5OH = C2H4 + H2O nC2H4 = -(CH2-CH2)-n С2H+H2=C2H3