Kinetics- Catalytic Decomposition of Hydrogen Peroxide

Catalytic Decomposition of Hydrogen Peroxide

Description: Hydrogen peroxide decomposes to oxygen and water when a small amount of manganese dioxide is added. Catalase enzyme from potato also decomposes hydrogen peroxide.

Source: UW Card Catalog

Year: N/A   Vol: N/A   Page: N/A

Keywords: Manganese dioxide, Catalysis, Hydrogen peroxide, Transition Metal Chemistry

Rating:

Hazard: Some

• Use  of mildly reactive reagents
• Skin corrosion hazard
• Acute toxicity hard – oral, inhalation
• Serious eye damage
• Short and long term aquatic toxicity hazard
• Specific organ toxicity – respiratory system
• Electric shock hazard
• Oxidizer

Effectiveness: Average

• Results are observable with guidance
• Mild effects are seen  by audience
• Good reliability
• Time to results is low
• Display required

Difficulty: Medium

• Simple procedures
• Simple manipulations for most to perform
• Demos in which a display is used
• Use of toxic reagents

Safety Precautions:

• Eye protection required
• Gloves required
• Use of UL approved three-prong plug and outlet
• Perform on a chemically resistant surface
• Absorbent materials on hand
• Prevent release of reagents to the environment

Class: Kinetics, Catalysis, Biochemistry, Redox Reactions

Division: General, Inorganic Chemistry, Physical Chemistry

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