Autocatalysis of Oxalate Ion with Permanganate
Description: Acidic oxalate ion is titrated by permanganate to a pink endpoint.
Source: UW Card Catalog
Year: N/A Vol: N/A Page: N/A
Keywords: Catalysis, Titration, Potassium Permanganate, Sodium Oxalate
Rating:
Hazard: High
- Acute toxicity hazard- oral, dermal
- Short and long term aquatic toxicity hazard
- Carcinogenicity hazard
- Oxidizer
- Skin corrosion hazard
- Serious eye damage
- Corrosive to metals
Effectiveness: Average
- Results are observable with guidance
- Mild effects are seen by audience
- Moderate failure rate
- Time to results is medium
- Some connection from demo to course material
Difficulty: High
- Precise addition of reagents required
- Use of mildly reactive substances
- Some intermediate steps to result
- Some careful manipulations required
- Demos in which toxic reagents are in use
- Demos in which a display is used
- Use of scientific equipment
Safety Precautions:
- Eye protection required
- Gloves required
- Absorbent materials on hand
- Avoid exposure to mists or droplets
- Perform in a well-ventilated area
- Use UL approved three-prong plug and outlet
- Prevent release of reagents to the environment
Class: Kinetics, Redox, Titrations,
Division: General, Analytical Chemistry
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