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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