Chloro Complexes of Cobalt (II)
Chromate – Dichromate Equilibrium
Oxidation of Chloride Ion by Permanganate
Precipitates and Complexes of Iron (III)
Precipitates and Complexes of Nickel (II)
Bromo Complexes of Copper (II)
Precipitates and Complexes of Copper (II)
Precipitates and Complexes of Silver (I)
Ignition of Hydrogen on a Platinum Catalyst
Geiger Counter and Alpha, Beta, and Gamma Sources
Extraction of Copper Ions from Solution With Orform®
Preparation and Properties of Zirconium
Hydration of Cu (II) Ion
Description: Solid cupric bromide dissolved in alcohol is brown. Adding water to this solution produces a blue-green color.
Source: Summerlin, L.R. and Ealy, J.L. Chemical Demonstrations: A Sourcebook for Teachers; 2nd Edition
Year: 1985 Vol: 1 Page: 44
Keywords: Bromide, Alcohol, Blue-green, Brown
Rating:
Hazard: Medium
- Acute toxicity hazard
- Inhalation hazard
- Aquatic toxicity hazard
- Flammability hazard
- Eye damage hazard
Effectiveness: Average
- Somewhat connected to course material
- Results are observable without guidance
- Mild effects are seen by audience
- High reliability
- Time to results is low
Difficulty: Medium
- Some intermediate steps to results
- Use of toxic reagents
- Use of organic reagents
- Some sequential manipulations
Safety Precautions:
- Eye protection
- Gloves required
- Perform in a well-ventilated area
- ABC fire extinguisher on hand
- Absorbent materials on hand
- Avoid contact with liquid
- Prevent release of reagents to the environment
Class: Transition Metals, Coordination Compounds
Division: General, Inorganic Chemistry
Return to Inorganic Chemistry Demonstrations