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 Source
Extraction of Copper Ions from Solutions With Orform®
Oxidation States of Vanadium
Description: Yellow vanadium (VI) is swirled with Jones Reductor and will progressively change color until it reaches the violet vanadium (II). Vanadium (II) is oxidized through a series of colors by permanganate to a final yellow color.
Source: UW Card Catalog
Year: N/A Vol: N/A Page: N/A
Keywords: Oxidation states, Jones Reductor, Vanadium (II), Permanganate
Ratings: 
Hazard: High
- Corrosive to metals
- Skin corrosion hazard
- Serious eye damage
- Acute toxicity hazard – oral, inhalation, dermal
- Aquatic toxicity hazard
- Specific organ toxicity repeated exposure – respiratory tract
- Oxidizing liquids
- Carcinogenicity hazard
Effectiveness: Good
- Good connection from demo to course material
- Results are clearly observable without guidance
- Time to results is low
- Reliability is good
- Mild effects are seen by audience
Difficulty: Medium
- Consecutive manipulations and transfer
- Training or practice recommended
- Manipulations are simple for most to perform
- Attention to detail is required
- Some intermediate steps to results
Safety Precautions:
- Eye protection required
- Gloves required
- Use of chemically inert surface
- Absorbent material on hand
- Avoid exposures to mists, droplets, or vapors
- Perform in a well-ventilated area
- Prevent release of reagents to the environment
Class: Transition Metal Chemistry, Redox Reactions
Division: General, Inorganic Chemistry, Analytical Chemistry
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