Formic Acid and Sodium Hydroxide
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HCOOH + NaOH → HCOONa + H2O
Overview
Formic acid, the simplest carboxylic acid, reacts with sodium hydroxide to form sodium formate and water. Formic acid (Ka = 1.8 × 10⁻⁴) is about 10 times stronger than acetic acid. It was originally obtained by distillation from ants (Latin: formica).
Participants
| Role | Substance | Coefficient | State |
|---|---|---|---|
| Reactant | Formic Acid CH₂O₂ | 1 | (aq) |
| Reactant | Sodium Hydroxide NaOH | 1 | (aq) |
| Product | Water H₂O | 1 | (l) |
Everyday Example
Formic acid causes the burning sensation of ant bites and bee stings, which can be neutralized by applying a basic paste like baking soda.
Industrial Importance
Sodium formate is used as a de-icing agent for airport runways, as a leather tanning agent, and as a reducing agent in organic synthesis.
Properties
- Type
- Acid-Base
- Reversible
- No
- Energy
- Exothermic
- ΔH
- -56.5 kJ/mol