Benzoic Acid and Sodium Hydroxide
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C6H5COOH + NaOH → C6H5COONa + H2O
Ikhtisar
Benzoic acid, the simplest aromatic carboxylic acid, reacts with sodium hydroxide to form water-soluble sodium benzoate. Benzoic acid itself is poorly soluble in water but dissolves readily in base. This solubility difference is exploited in liquid-liquid extraction to separate acids from neutral compounds.
Peserta
| Peran | Zat | Koefisien | Keadaan |
|---|---|---|---|
| Reaktan | Benzoic Acid C₇H₆O₂ | 1 | (s) |
| Reaktan | Sodium Hydroxide NaOH | 1 | (aq) |
| Produk | Water H₂O | 1 | (l) |
Contoh Sehari-hari
Sodium benzoate (E211) is one of the most common food preservatives, found in soft drinks, pickles, and fruit juices.
Pentingnya dalam Industri
Sodium benzoate is produced on a large scale for food and beverage preservation. It inhibits microbial growth effectively in acidic environments below pH 3.6.
Sifat
- Jenis
- Acid-Base
- Dapat Dibalik
- Tidak
- Energi
- Eksoterm
- ΔH
- -57,0 kJ/mol