5 Questions
What is the chemical formula of hydrogen peroxide?
H2O2
How is hydrogen peroxide commonly used as a consumer product?
As a dilute solution in water
What happens to concentrated hydrogen peroxide when heated?
It decomposes explosively
How does hydrogen peroxide decompose when exposed to light?
Slowly into water and elemental oxygen
How is hydrogen peroxide typically stored?
With a stabilizer in a weakly acidic solution in an opaque bottle
Study Notes
Hydrogen Peroxide Properties
- The chemical formula of hydrogen peroxide is H2O2.
Consumer Use
- Hydrogen peroxide is commonly used as a consumer product as a disinfectant and bleach alternative.
Thermal Stability
- When heated, concentrated hydrogen peroxide decomposes rapidly and releases oxygen, which can cause a rapid increase in pressure and potentially lead to explosion.
Photodecomposition
- Hydrogen peroxide decomposes slowly when exposed to light, breaking down into water and oxygen.
Storage
- Hydrogen peroxide is typically stored in a cool, dark place, away from heat sources and incompatible chemicals, to prevent decomposition and ensure safety.
Test your knowledge of hydrogen peroxide with this quiz! Learn about its chemical formula, properties, uses as an oxidizer, bleaching agent, and antiseptic, as well as its dilute and concentrated forms.
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