Potassium Hydroxide and Sulfuric Acid

2KOH + H2SO4 → K2SO4 + 2H2O

概述

Potassium hydroxide reacts with sulfuric acid in a 2:1 ratio to form potassium sulfate and water. This diprotic acid neutralization produces a neutral salt that is one of the most important potassium fertilizers. The reaction is strongly exothermic.

参与者

角色 物质 系数 状态
反应物 Sulfuric Acid H₂SO₄ 1 (aq)
反应物 Potassium Hydroxide KOH 2 (aq)
产物 Water H₂O 2 (l)

日常示例

Potassium sulfate fertilizer, used extensively in agriculture for potassium-sensitive crops like fruits and vegetables, can be made by this neutralization.

工业重要性

硫酸钾是优质无氯钾肥，年产量超过700万吨，用于烟草、茶叶、马铃薯等对氯敏感作物的施肥。

属性

类型
Double Replacement
可逆
否
能量
放热
ΔH
-114.2 kJ/mol

相关反应

Iron(III) Chloride and Sodium Hydroxide Ammonia and Hydrochloric Acid (White Smoke) Calcium Carbonate and Hydrochloric Acid Calcium Chloride and Sodium Carbonate Barium Chloride and Sodium Sulfate Precipitation Calcium Hydroxide and Carbon Dioxide (Limewater Test) Sodium Hydroxide and Iron(III) Chloride (Rust Color) Sodium Hydroxide and Hydrochloric Acid Neutralization Sodium Carbonate and Hydrochloric Acid Aluminum Hydroxide and Hydrochloric Acid

Frequently Asked Questions

What is the equation for Potassium Hydroxide and Sulfuric Acid?
The balanced equation is: 2KOH + H₂SO₄ → K₂SO₄ + 2H₂O.
What type of reaction is Potassium Hydroxide and Sulfuric Acid?
Potassium Hydroxide and Sulfuric Acid is a double replacement reaction.
Is Potassium Hydroxide and Sulfuric Acid exothermic or endothermic?
Potassium Hydroxide and Sulfuric Acid is exothermic (releases energy). The enthalpy change (ΔH) is -114.2 kJ/mol.