$CH_4+2O_2\buildrel{{t^o}}\over\to CO_2+2H_2O$
$CH_4+Cl_2\buildrel{{as}}\over\to CH_3Cl+HCl$
$C_2H_4+H_2\buildrel{{Ni, t^o}}\over\longrightarrow C_2H_6$
$C_2H_4+3O_2\buildrel{{t^o}}\over\to 2CO_2+2H_2O$
$C_2H_4+Cl_2\to C_2H_4Cl_2$
$2H_2+O_2\buildrel{{t^o}}\over\to 2H_2O$
$H_2+Cl_2\buildrel{{as}}\over\to 2HCl$
$C_2H_5OH+3O_2\buildrel{{t^o}}\over\to 2CO_2+3H_2O$
$C_2H_5OH+CH_3COOH\buildrel{{H_2SO_4, t^o}}\over\rightleftharpoons CH_3COOC_2H_5+H_2O$
$CH_3COOH+2O_2\buildrel{{t^o}}\over\to 2CO_2+2H_2O$