(1) \(CaC{O_3}\) \(\xrightarrow{{{{1000}^0}C}}\)\(CaO + C{O_2}\)
(2) \(CaO + 3C\) \(\xrightarrow{{{{2000}^0}C}}\) \(Ca{C_2} + CO\)
(3)\(Ca{C_2} + 2{H_2}O \to {C_2}{H_2} + Ca{(OH)_2}\)
(4) \({C_2}{H_2} + {H_2}\) \(\xrightarrow{{Pd/PbC{O_3},{t^0}}}\)\({C_2}{H_4}\)
(5) \({C_2}{H_4} + {H_2}\) \(\xrightarrow{{Ni,{t^0}}}\)\({C_2}{H_6}\)
(6) \({C_2}{H_2} + HCl\) \(\xrightarrow[{150 - {{200}^0}C}]{{HgC{l_2}}}\)\(C{H_2} = CHCl\)
(7) 
