Sulfurous Acid and Sodium Hydroxide

H2SO3 + 2NaOH → Na2SO3 + 2H2O

अवलोकन

Sulfurous acid reacts with two equivalents of sodium hydroxide to form sodium sulfite and water. Sulfurous acid is formed when sulfur dioxide dissolves in water and is a diprotic acid. It is unstable and cannot be isolated as a pure substance.

प्रतिभागी

भूमिका पदार्थ गुणांक अवस्था
अभिकारक Sodium Hydroxide NaOH 2 (aq)
उत्पाद Water H₂O 2 (l)

रोजमर्रा का उदाहरण

Sodium sulfite is used as a preservative in dried fruits and wine, where it prevents oxidation and browning.

औद्योगिक महत्व

Sodium sulfite is used in the pulp and paper industry, as a photographic fixer component, in water treatment for dechlorination, and as an oxygen scavenger in boiler water.

गुण

प्रकार
Acid-Base
प्रतिवर्ती
नहीं
ऊर्जा
ऊष्माक्षेपी
ΔH
-106.0 kJ/mol

संबंधित अभिक्रियाएँ

Hydrochloric Acid and Barium Hydroxide Acetic Acid and Sodium Acetate Buffer System Acetic Acid Dissociation in Water Ammonia and Hydrochloric Acid Ascorbic Acid and Sodium Hydroxide Barium Hydroxide and Ammonium Thiocyanate (Endothermic) Carbonic Acid and Sodium Hydroxide Aluminum Hydroxide as Amphoteric Acid with NaOH Aluminum Chloride and Chloride Ion (Lewis Acid-Base) Formic Acid and Sodium Hydroxide

Frequently Asked Questions

What is the equation for Sulfurous Acid and Sodium Hydroxide?
The balanced equation is: H₂SO₃ + 2NaOH → Na₂SO₃ + 2H₂O.
What type of reaction is Sulfurous Acid and Sodium Hydroxide?
Sulfurous Acid and Sodium Hydroxide is a acid-base reaction.
Is Sulfurous Acid and Sodium Hydroxide exothermic or endothermic?
Sulfurous Acid and Sodium Hydroxide is exothermic (releases energy). The enthalpy change (ΔH) is -106.0 kJ/mol.