a,
$CH_3COONa+NaOH\buildrel{{CaO, t^o}}\over\to CH_4+Na_2CO_3$
$2CH_4\buildrel{{1500^oC}}\over\to C_2H_2+3H_2$
$C_2H_2+H_2\buildrel{{Pd/PbCO_3, t^o}}\over\to C_2H_4$
$C_2H_4+H_2O\buildrel{{HCl}}\over\to C_2H_5OH$
$C_2H_5OH+CH_3COOH\buildrel{{t^o, H_2SO_4}}\over\rightleftharpoons CH_3COOC_2H_5+H_2O$
b,
$C_6H_{12}O_6\buildrel{{\text{men rượu}, 30-35^oC}}\over\to 2CO_2+2C_2H_5OH$
$C_2H_5OH+CH_3COOH\buildrel{{t^o, H_2SO_4}}\over\rightleftharpoons CH_3COOC_2H_5+H_2O$
$CH_3COOC_2H_5+H_2O\buildrel{{H_2SO_4,t^o}}\over\rightleftharpoons CH_3COOH+ C_2H_5OH$
$2CH_3COOH+Mg\to (CH_3COO)_2Mg+H_2$
c,
$C_2H_5OH\buildrel{{H_2SO_4, 140^oC}}\over\to C_2H_4+H_2O$
$C_2H_4+Br_2\to C_2H_4Br_2$
$C_2H_4+H_2\buildrel{{Ni, t^o}}\over\to C_2H_6$
$C_2H_6+Cl_2\buildrel{{as}}\over\to C_2H_5Cl+ HCl$
