The Generating & Detecting Ozone Chemical Demonstration Kit is a very topical activity that highlights ozone’s unique role in environmental chemistry. The reactions of ozone with organic compounds are shown in a series of special effects.
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Ozone and oxygen are allotropes of oxygen and related molecules, but they have very different properties. Investigate the formation and properties of ozone with this novel, small-scale gas-generating kit. Ozone is produced as a byproduct of the electrolysis of sulfuric acid solution. A special modified transfer pipet serves as both the reaction vessel and delivery tube for the ozone. The reactions of ozone with unsaturated organic compounds are illustrated in a series of special effects. Watch as ozone causes a balloon to burst, a rubber band to snap, and decolorizes food dyes and pigments. A very topical demonstration that highlights ozone’s unique role in environmental chemistry! Enough materials are provided to perform the demonstration seven times.
Concepts: Electrolysis, oxidation–reduction, properties of ozone.
Time Required: 30 minutes
Materials Provided: Sulfuric acid solution, dyes, platinum wire, rubber bands, syringe, pipets, alligator clip leads, balloons.
Note: Perform this demonstration in a fume hood or well-ventilated lab.
Correlation to Next Generation Science Standards (NGSS)
Science & Engineering Practices
Asking questions and defining problems
Developing and using models
Planning and carrying out investigations
Analyzing and interpreting data
Disciplinary Core Ideas
MS-PS1.B: Chemical Reactions
HS-PS1.B: Chemical Reactions
Cause and effect
Systems and system models
Scale, proportion, and quantity
MS-ESS1-3: Analyze and interpret data to determine scale properties of objects in the solar system.