Electrical Conductivity of Liquids and Solutions
Lecture Size Breath Alcohol Test
Reaction of Potassium Metal with Bromine
Reduction of Copper Oxide by Hydrogen
Using Large Glass Cylinders to Demonstrate Precipitation Reactions
Coin Operated Red, White, and Blue Fountain: Reaction of Nitric Acid and Copper
Conductivity of Acetic Acid-Water Mixtures
Effect of Ion-Exchange Resin on Conductivity
Oxidation of Chloride Ion by Permanganate
Electrical Conductivity of Liquids and Solutions
Description: The conductivity of water, solution of acids and bases (strong and weak), salts, and nonconducting liquids are compared.
Source: UW Card Catalog
Year: N/A Volume: N/A Page: N/A
Keywords: Liquids, Conductivity, Ions, Charge carriers, Circuit
Rating:
Hazard: Medium
- Electrocution hazard
- Spill hazard
- Acute toxicity hazard
- Skin corrosion hazard
- Inhalation hazard
- Eye irritation hazard
- Corrosive to metals
- Flammable liquids
Effectiveness: Good
- Results are clearly observable
- Good connection from demo to course material
- Low failure rate
- Time to results is medium
- Contrast between systems’ behavior is obvious
Difficulty: Medium
- Procedures with some intermediate steps
- Cross contamination is possible
- Use of live voltage
- Prior training recommended
- Careful manipulations are required
Safety Precautions:
- Eye protection required
- Gloves required
- UL approved three-prong plug and outlet required
- Insulated conductor required
- Absorbent material on hand
Class: Properties of Solutions, Equilibrium, Types of Chemical Reactions
Division: General, Organic Chemistry
The demonstration Electrical Conductivity of Liquids and Solids may be found under Properties of Solutions- Electrical Conductivity of Liquids and Solids.
Return to General Chemistry Demonstrations