\(\underset{\text{(ethanal)}}{CH_3 } - CHO \underset{\text{reagent}} {\xrightarrow{\text{Tollen's}}} CH_3 - \overset{O}{\overset{||}C}- O^-+\underset{\text{(silver mirror)}}{Ag}\)
Carboxylic acids give briskeffervescence with sodium bicarbonate.
\(CH_3 - COOH \xrightarrow {NaHCO_3} CH_3COONa (aq)+ CO_2(g)+ H_2O(l)\)
