Осуществить превращение C2h6-c2h5cl-c2h4-c2h4br2-c2h2-c3h4

1.C2H6+Cl2--->C2H5Cl+HCl;
2.C2H5Cl+NaOH--->C2H5OH+NaCl;C2H5OH[t]--->C2H4+H2O;
3.C2H4+Br2--->C2H4Br2;
4.С2H4Br2+Zn--->C2H4+ZnBr2;C2H4[kat]--->C2H2+H2;
5.C2H2+CH3Cl--->C3H4+HCl;