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
Old Nassau: The Landolt Reaction with Mercury
Description: Three solutions, when mixed, turn orange and then almost black.
Source: Shakhashiri, B.Z. Chemical Demonstrations: A Handbook for Teachers of Chemistry
Year: 1991 Vol: 4 Page: 29
Keywords: Landolt Reaction, Mercury, Indicator, Clock Reaction, Induction period
Rating: 
Hazard: High
- Acute toxicity hazard – oral
- Aquatic toxicity hazard
- Skin corrosion hazard
- Serious eye damage
- Germ cell mutagenicity hazard
- Reproductive toxicity hazard
- Inhalation hazard
- Specific toxicity hazard – central nervous system
Effectiveness: Good
- Results are clearly observable without guidance
- Good connection from demo to course material
- Time to results is low
- Mild effects are seen by audience
- System contrast is obvious
- Good reliability
Difficulty: Medium
- Adding reagents in concert or timed manner
- Multiple step procedures
- Simple manipulations for most to perform
- Demonstrations in which toxic substances are in use
Safety Precautions:
- Eye protection required
- Gloves required
- Absorbent materials on hand
- Avoid ingestion or inhalation of reagents
- Perform in a well-ventilated area
Class: Kinetics
Division: General
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