Question

alkaline pyrogalic acid is
base or acid

Answer 1

Answer:

It has a carboxylic acid group and phenol groups. Both are acidic and pyrogallic acid is an acid. Alkaline pyrogallic acid is the mono sodium salt of the carboxylic acid (as the carboxyl group is more acidic than the phenols by ~3–4 orders of magnitude. Salts of weak acids like pyrogallic acid, act as bases

Explanation: