Formation of Nitrogen Dioxide

2NO + O2 → 2NO2

개요

Nitric oxide reacts with oxygen in the atmosphere to form nitrogen dioxide, a reddish-brown toxic gas. This reaction is central to atmospheric chemistry and smog formation. It occurs rapidly at room temperature without any catalyst needed.

참여 물질

역할 물질 계수 상태
생성물 Nitrogen Dioxide NO₂ 2 (g)

일상 속 예시

The brown haze visible over cities on smoggy days is largely due to nitrogen dioxide formed by this reaction from vehicle exhaust.

산업적 중요성

오스트발트 공정에서 질산 제조의 중간 단계입니다. 질산은 비료(질산암모늄), 폭발물(TNT, 니트로글리세린), 금속 세정에 필수적인 산업 화학제품입니다.

성질

유형
Synthesis
가역 반응
예
에너지
발열
ΔH
-114.2 kJ/mol

관련 반응

Formation of Calcium Hydroxide Formation of Carbon Monoxide 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 Formation of Sulfur Dioxide Fischer-Tropsch Synthesis (General)

Frequently Asked Questions

What is the equation for Formation of Nitrogen Dioxide?
The balanced equation is: 2NO + O₂ → 2NO₂.
What type of reaction is Formation of Nitrogen Dioxide?
Formation of Nitrogen Dioxide is a synthesis reaction. It is reversible under certain conditions.
Is Formation of Nitrogen Dioxide exothermic or endothermic?
Formation of Nitrogen Dioxide is exothermic (releases energy). The enthalpy change (ΔH) is -114.2 kJ/mol.