$C_2H_5OH+CuO\xrightarrow{{t^o}} CH_3CHO+Cu+H_2O$
$C_2H_5OH+3O_2\xrightarrow{{t^o}} 2CO_2+3H_2O$
$C_2H_5OH+HNO_{3_\text{đậm đặc}}\xrightarrow{{t^o}} C_2H_5ONO_2+H_2O$
$2C_2H_5OH\xrightarrow{{H_2SO_4 đ, 140^oC}} C_2H_5-O-C_2H_5+H_2O$
$CH_3COOH+C_2H_5OH\mathop{\Huge{\rightleftharpoons}}\limits^{\small{H_2SO_4đ,t^o}}CH_3COOC_2H_5+H_2O$