When chlorine leaks occur, what does ammonia vapor react with chlorine vapors to form?

When chlorine leaks occur and ammonia vapor comes into contact with chlorine vapors, the reaction between these two substances leads to the formation of a white cloud of vapor. This occurs because when chlorine and ammonia react, they produce chloramines, which include compounds like monochloramine and dichloramine. These chloramines often manifest as a gas that can appear as a white mist or vapor in the air.

The presence of a white cloud is indicative of this reaction, which can pose significant health hazards. Chloramines can irritate the respiratory system and are harmful to health at certain concentrations. Recognizing the visual cue of a white cloud can be crucial for operators in a drinking water treatment setting, as it signals a potential danger that must be addressed.

In contrast, the other options do not accurately reflect the chemical nature of the products formed from this interaction. Recognizing the specific characteristics of the resulting cloud aids in effectively managing chlorine leaks and ensuring safety protocols are followed.