Burning Rate Depends on Oxygen Concentration
Kinetics of the Decomposition of Hydrogen Peroxide by Permanganate
Kinetics of Oxidation of Iodide Ion by Peroxide
Reaction Rate Depends on Particle Size
Autocatalysis of Oxalate Ion With Permanganate
Catalytic Decomposition of Hydrogen Peroxide
Explosions of Lycopodium and Other Powders
Old Nassau: The Landolt Reaction With Mercury Indicator
Catalytic Oxidation of Ammonia
Ignition of Hydrogen on a Platinum Catalyst
Slow Decolorization of Permanganate by Ethanol
Briggs-Rauscher Reaction
Description: The most commonly demonstrated oscillator reaction. The color of the solution oscillates between clear brown and deep blue. The period is fairly rapid, but the reaction reaches completion in about 3 – 5 minutes.
Source: Shakhashiri, B.Z. Chemical Demonstrations: A Handbook for Teachers of Chemistry
Year: 1985 Vol: 2 Page: 248
Keywords: Oscillator, Briggs-Rauscher, Color changes, Cyclic
Rating:
Hazard: Medium
- Aquatic toxicity hazard – acute, chronic
- Toxicity hazard – oral, dermal, inhalation
- Skin corrosion hazard
- Single exposure toxicity – respiratory system
- Serious eye damage
- Corrosive to metals
- Oxidizing solids
- Electric shock hazard
Effectiveness: Excellent
- Results are deeply engaging to audience
- Obvious contrast between systems
- Time to results is low
- Good reliability
Difficulty: Medium
- Some concerted manipulations
- Procedures with some intermediate steps
- Demos in which toxic reagents are in use
Safety Precautions:
- Gloves required
- Eye protection required
- Perform in a well-ventilated area
- UL approved three-prong plug and outlet required
- Absorbent material on hand
- Sodium thiosulfate on hand
- Prevent release of reagents to the environment
- Avoid exposure to gases, vapors, or mists
Class: Kinetics, Equilibrium, Catalysis, Redox, Oscillating Reactions
Division: General, Physical Chemistry
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