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®
Precipitates and Complexes of Silver (I)
Description: Precipitates and soluble silver complex are formed successively from silver ions.
Source: Shakhashiri, B.Z. Chemical Demonstrations: A Handbook for Teachers of Chemistry
Year: 1983 Vol: 1 Page: 307
Keywords: Complex Ions, Precipitates, Silver, Halide Complexes, Spectrochemical Series
Rating:
Hazard: High
- Acute toxicity hazard – oral, dermal, inhalation
- Corrosive to metals
- Skin corrosion hazard
- Aquatic toxicity hazard
- Serious eye damage
- Oxidizer
- Specific organ toxicity – thyroid, respiratory system
- Electric shock hazard
- Inhalation hazard
Effectiveness: Good
- Results are clearly observable without guidance
- Good connection from demo to course material
- Clear contrast between systems behavior
- Time to results is medium
- Good reliability
- Primary effects
- Mild effects observed by audience
Difficulty: High
- Multi-step procedures with varying results depending on the order or amount of reagent addition
- Reactions containing toxic compounds
- Demos that require training or practice
- Simple manipulations for most to perform
Safety Precautions:
- Eye protection required
- Gloves required
- Perform in a well-ventilated area
- Use of UL approved three-prong plug and outlet
- Absorbent materials on hand
- Sodium bicarbonate on hand
- Avoid exposure to dusts, mists, and droplets
- Prevent release of reagents to the environment
Class: Aqueous Equilibrium and Precipitation Reactions, Transition Metals Chemistry
Division: General, Inorganic Chemistry
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