Formation of Hydrogen Sulfide

H2 + S → H2S

개요

Hydrogen gas reacts with sulfur to form hydrogen sulfide, the gas responsible for the characteristic smell of rotten eggs. This mildly exothermic reaction occurs at elevated temperatures. Hydrogen sulfide is highly toxic even at low concentrations.

참여 물질

역할 물질 계수 상태
반응물 Hydrogen H 1 (g)
반응물 Sulfur S 1 (s)
생성물 Hydrogen Sulfide H₂S 1 (g)

일상 속 예시

The rotten egg smell near hot springs and volcanic areas comes from hydrogen sulfide produced by similar reactions underground.

산업적 중요성

석유 정제 과정에서 부산물로 대량 발생하며, 클라우스 공정으로 황을 회수합니다. 황화물 제조 및 분석 화학의 시약으로 활용됩니다.

성질

유형
Synthesis
가역 반응
예
에너지
발열
ΔH
-20.6 kJ/mol

관련 반응

Formation of Calcium Hydroxide Formation of Carbon Monoxide Formation of Nitrogen Dioxide Formation of Potassium Chloride Formation of Sodium Bicarbonate Formation of Sodium Peroxide Formation of Silicon Dioxide Formation of Tungsten Carbide Formation of Copper(II) Sulfide Fischer-Tropsch Synthesis (General)

Frequently Asked Questions

What is the equation for Formation of Hydrogen Sulfide?
The balanced equation is: H₂ + S → H₂S.
What type of reaction is Formation of Hydrogen Sulfide?
Formation of Hydrogen Sulfide is a synthesis reaction. It is reversible under certain conditions.
Is Formation of Hydrogen Sulfide exothermic or endothermic?
Formation of Hydrogen Sulfide is exothermic (releases energy). The enthalpy change (ΔH) is -20.6 kJ/mol.