Question

CaCo3 -> CaC2 -> C2H2 -> CH3-CH2-OH -> CH3-CH2-CL -> CH2=CH2

Answer 1

1) CaCO3 = CaO + CO2

CaO + 3C = CaC2 + CO;

2) CaC2 + 2H2O = C2H2 + Ca(OH)2;

3) C2H2 + H2 = C2H4;

4) C2H4 + H2O = C2H5OH (реакция обратимая);

5) С2Н5ОН = C2H4 + H2O (реакция дегидратации).