Question

State one important observation when a piece of hot phosphorous is put in a jar of oxygen.​

Answer 1

Answer:

When exposed to air, it spontaneously ignites and is oxidized rapidly to phosphorus pentoxide. Such heat is produced by this reaction that the element bursts into a yellow flame and produces dense white smoke.

chemicals within minutes. In water with low oxygen, white phosphorus may degrade to a highly toxic compound called phosphine, which eventually evaporates to the air and is changed to less harmful chemicals.