Formic acid (ch2o2) on reaction with water undergoes dissociation reaction.
Formic acid is the acid released by ant when it bites which causes us irritation.
It's formula is CH2O2 or HCOOH. and pH is 3.75.
In the case of dehydration, one hydrogen atom in the water molecule joins the hydroxyl group in the trans formic acid to form a new water molecule, while the hydrogen bonded to carbon in the acid breaks off to regenerate a water molecule.
Formic acid dissociates in water according to the equation:
HCOOH (aq) + H2O (l) = H3O + (aq) + HCOO- (aq)
Formic acid is the simplest carboxylic acid, containing a single carbon. Occurs naturally in various sources including the venom of bee and ant stings, and is a useful organic synthetic reagent. Principally used as a preservative and antibacterial agent in livestock feed.
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