Formation of Nitrogen Dioxide

概述

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.

参与者

日常示例

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

工业重要性

NO₂是奥斯特瓦尔德法制硝酸的中间体，是生产肥料（硝酸铵）和工业炸药的关键步骤。NO₂也是形成光化学烟雾和酸雨的重要污染物。