a,
$2C_2H_5OH+2Na\to 2C_2H_5ONa+H_2$
$2C_2H_5OH+Ca\to (C_2H_5O)_2Ca+ H_2$
b,
$2CH_3COOH+2Na\to 2CH_3COONa+H_2$
$2CH_3COOH+CaO\to (CH_3COO)_2Ca+H_2O$
$2CH_3COOH+Ca\to (CH_3COO)_2Ca+H_2$
$2CH_3COOH+Fe\to (CH_3COO)_2Fe+H_2$
Axit axetic làm quỳ hoá đỏ.
$CaCO_3+2CH_3COOH\to (CH_3COO)_2Ca+H_2O+CO_2$
$CH_3COOH+NaOH\to CH_3COONa+H_2O$
$CH_3COOH+CH_3OH\buildrel{{t^o, p, xt}}\over\to CH_3COOCH_3+H_2O$