Question

Помогите!
C2H6 - C2H4 - C2H4Br2 - C2H4 - CH3 - CH2CL - CH2=CH2

Answer 1

CH3-CH3 -> CH2=CH2 + H2 (t, kat)
CH2=CH2 + Br2 -> CH2(Br)-CH2(Br)
CH2(Br)-CH2(Br) -> CH=-CH + 2HBr
CH=-CH+H2 -> CH2=CH2(t, kat)
CH2=CH2 + HCl -> CH3-CH2Cl
CH3-CH2Cl + KOH-> CH2=CH2 + KCl + H2O