(1) \({C_2}{H_5}Cl + NaOH\) \(\xrightarrow{{{H^ + }}}\) \(C{H_2} = C{H_2} + NaCl + {H_2}O\)
(2) \(C{H_2} = C{H_2} + HCl\) \(\xrightarrow[{{t^0}}]{{ancol}}\)\(C{H_3} - C{H_2} - Cl\)
(3) \({C_2}{H_5}OH + HCl\) \(\xrightarrow{{{H_2}O,{t^0}}}\)\({C_2}{H_5}Cl + {H_2}O\)
(4) \({C_2}{H_5}Cl + NaOH\) \(\xrightarrow{{{t^0}}}\) \({C_2}{H_5}OH + NaCl\)
(5) \(C{H_2} = C{H_2} + {H_2}O\) \(\xrightarrow{{{H^ + }}}\) \(C{H_3} - C{H_2} - OH\)
(6) \({C_2}{H_5}OH\) \(\xrightarrow[{{{170}^0}C}]{{{H_2}S{O_4}}}\) \(C{H_2} = C{H_2} + {H_2}O\)