Объяснение:
Ca + 2C = CaC2
CaC2 +2HCl = CaCl2 +C2H2
C2H2 + HCl = CH2=CHCl
CH2=CHCl + H2 - (Pt) -> C2H5Cl
C2H5Cl + NaOH -(H2O) -> C2H4 + NaCl + H2O
Объяснение:
Ca + 2C = CaC2
CaC2 +2HCl = CaCl2 +C2H2
C2H2 + HCl = CH2=CHCl
CH2=CHCl + H2 - (Pt) -> C2H5Cl
C2H5Cl + NaOH -(H2O) -> C2H4 + NaCl + H2O