Types of Chemical Reactions- Oxidation States of Vanadium

Oxidation States of Vanadium

Row  of four crystallizing dishes with yellow, blue, and green liquids
Row  of four crystallizing dishes with yellow, blue, and green liquids
 

 

Description: Yellow vanadium (VI) is swirled with Jones Reductor and will progressively change color until it reaches the violet vanadium (II). Violet 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: Some

  • 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
  • Perform on a chemically inert surface
  • Absorbent material on hand
  • Avoid exposure to mists, droplets, or vapors
  • Perform in a well-ventilated area
  • Prevent release of reagent to the environment

 

Class: Transition Metal Chemistry, Redox Reactions

Division: General, Inorganic Chemistry, Analytical Chemist

The demonstration Oxidation States of Vanadium may be found under Transition Metals and Coordination Compounds- Oxidation States of Vanadium.