Obtaining oxygen

1. obtaining oxygen

2. Obtaining oxygen in industry

Liquid air distillation
air
air
The principle of working of the
membrane cartridge
Liquid air

3. Laboratory oxygen obtaining

4. Decay potassium permanganate:

Equation decomposition reaction of potassium
permanganate:
2KMnO4 t ° → K2MnO4 + MnO2 + O2 ↑

5.

6. Decay Hydrogen Peroxide:

Equation decomposition
reaction of hydrogen peroxide:

7.

8. Decay potassium chlorate:

Equation decomposition reaction of potassium
chlorate:

9. Decay mercury oxide:

Equation decomposition reaction of mercury oxide:
2HgO = 2Hg + О2↑.
mercury oxide
the heating
mercury + oxygen

10.

Priestley's experience with the decomposition of
mercury oxide: a - using a lens; b - when heated in vitro.
b)

11. Obtaining oxygen by electrolysis of water: