Burning Rate Depends on Oxygen Concentration
Kinetics of 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
Catalytic Oxidation of Ammonia
Description: Ammonia, from concentrated ammonium hydroxide, oxidizes on the surface of hot platinum in the presence of air. Since the reaction is exothermic, the platinum turns red, and this can be seen in a dark room.
Source: Shakhashiri, B.Z. Chemical Demonstrations: A Handbook for Teachers of Chemistry
Year: 1985 Vol: 2 Page: 214
Keywords: Ammonia, Oxidation, Catalysis, Ostwald Process, Platinum
Rating:
Hazard: Medium
- Acute toxicity hazard
- Inhalation hazard
- Burn hazard
- Flammability hazard
- Skin corrosion hazard
- Serious eye damage
- Acute aquatic toxicity hazard
- Specific organ toxicity – single exposure – respiratory system
Effectiveness: Average
- Mild effects are seen by audience
- Time to results is medium
- Moderate failure rate
- Good connection from demo to course material
Difficulty: Medium
- Some concerted or timed manipulations
- Reactions or demos at non-standard conditions
- Prior training recommended
- Procedures with some intermediate steps
Safety Precautions:
- Eye protection required
- Gloves required
- Thermal gloves recommended
- Avoid inhalation of vapors
- Perform in a well-ventilated area
- ABC fire extinguisher on hand
- Sodium bicarbonate on hand
- Absorbent materials on hand
- Prevent release of reagents to the environment
Class: Kinetics, Groups IVB and VB (14 and 15), Catalysis
Division: General, Inorganic Chemistry
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