Oxygen

Chemical reactions




Reaction of oxygen with acids


Under normal circumstances, oxygen, O2, does not react with acids.


Reaction of oxygen with air


Under normal circumstances, oxygen, O2, does not react with itself or other components in the air. If exposed to UV light or an electrical discharge, ozone, O3, is formed:

3 O2(g) 2 O3(g)


Reaction of oxygen with bases


Under normal circumstances, oxygen, O2, does not react with bases.


Reaction of oxygen with halogens


Oxygen, O2, can be brought to react with fluorine, F2, forming dioxygen difluoride, O2F2. It requires irradiation of a mixture, at low pressure (10-20 mm Hg) and low temperature (77 - 90 K):

O2(g) + F2(g) O2F2(g)


Reaction of oxygen with sulfur


Sulfur reacts with oxygen forming sulfur dioxide and trioxide [3]:

S(s) + O2(g) SO2(g)
2 SO2(g) + O2(g)
Δ
2 SO3(g)


Reaction of oxygen with water


Under normal circumstances, oxygen, O2, does not react with water, but is dissolved in the water (30 g/l (20 °C) [1])