Kinetics of the Decomposition of Hydrogen Peroxide by Permanganate
Description: Hydrogen peroxide is added to three beakers containing different concentrations of acidified potassium permanganate. The rate of evolution of oxygen depends on the concentration of the permanganate.
Source: J. Moore and K. Johnson
Year: 1999 Vol: N/A Page: N/A
Keywords: Potassium permanganate, Hydrochloric acid, Hydrogen peroxide, Reaction rate
Rating: 
Hazard: High
- Oxidizer
- Carcinogenicity hazard
- Acute toxicity – oral
- Skin corrosion hazard
- Serious eye damage
- Long and short term aquatic toxicity hazard
- Specific organ toxicity – repeated exposure, inhalation, brain
- Corrosive to metals
Effectiveness: Good
- Results are clearly observable without guidance
- Time to results is low
- Strong effects are seen by audience
- High reliability
- Average connection from demo to course material
Difficulty: Medium
- Sequential addition of reagents
- Use of reactive or toxic substances
- Procedures with intermediate steps to results
- Sequential manipulations
Safety Precautions:
- Eye protection required
- Gloves required
- Absorbent materials on hand
- Perform in a well-ventilated area
- Chemically resistant surface required
- Sodium bicarbonate on hand
- Avoid mists, droplets and vapors
- Prevent the release of reagents to the environment
Class: Kinetics, Redox Reactions
Division: General
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