Sulfurous Acid and Sodium Hydroxide

H2SO3 + 2NaOH → Na2SO3 + 2H2O

개요

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.

참여 물질

역할 물질 계수 상태
반응물 Sodium Hydroxide NaOH 2 (aq)
생성물 Water H₂O 2 (l)

일상 속 예시

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

산업적 중요성

아황산나트륨은 펄프 및 제지 산업, 사진 정착제 성분, 수처리에서 탈염소화, 그리고 보일러 수의 산소 제거제로 사용됩니다.

성질

유형
Acid-Base
가역 반응
아니오
에너지
발열
ΔH
-106.0 kJ/mol

관련 반응

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.