е):
Cl-(CH2)4-Cl + 2KOH (спирт.) = C4H6 + 2KCl + 2H2O;
C4H6 + H2 (+Pd) = C4H8;
C4H8 + HBr = C4H9Br;
2C4H9Br + 2KOH (спирт.) = H2C=CH-CH2-CH3 + H3C-CH=CH-CH3 + 2KBr + 2H2O;
д):
1) C2H4 + Br2 = C2H4Br2;
2) H2C(Br)-CH2(Br) + KOH (спирт.) = H2C=CHBr + KBr + H2O;
3) H2C=CHBr + HBr = H2C(Br)-CH2(Br);
4) H2C(Br)-CH2(Br) + 2NaOH (спирт. р-р) = HC≡CH + 2NaBr + 2H2O;
5) HC≡CH + H2 (кат.) = H2C=CH2;
6) H2C=CH2 + H2O (+H+) = H3C-CH2-OH;
7) 2C2H5OH (+T, +Al2O3+ZnO) = H2C=CH-CH=CH2 + 2H2O + H2;
8) H2C=CH-CH=CH2 + 2Br2 (CCl4) = H2C(Br)-CH(Br)-CH(Br)-CH2(Br).