Main Group Elements- Preparation and Properties of Carbon Dioxide

   Preparation and Properties of Carbon Dioxide

Description: Carbon dioxide may be produced from marble or any carbonate and acid. It may be generated from the sublimation of dry ice. It is fairly insoluble in water. It does not support combustion. Carbon dioxide forms a precipitate in lime water.

Source: Shakhashiri, B.Z. Chemical Demonstrations: A Handbook for Teachers of Chemistry

Year: 1985   Vol: 2   Page: 106

Keywords: Sublimation, Carbon dioxide, Vinegar, Sodium bicarbonate

Rating:

Hazard: Some

• Skin corrosion hazard
• Eye irritation
• Mild asphyxiation hazard
• Inhalation hazard
• Cryogenic burn hazard

Effectiveness: Good

• Results are observable with guidance
• Mild and counterintuitive effects are seen by audience
• Good connection conceptually to course material
• Time to results varies

Difficulty: Medium

• Some concerted or timed manipulations
• Use of mildly reactive substances
• Some intermediate steps to results
• Demos at nonstandard conditions

Safety Precautions:

• Eye protection required
• Gloves required
• Thermal gloves required
• Perform in a well-ventilated area
• Absorbent materials on hand

Class: Main Group Elements, Groups IVB and VB (14 and 15)

Division: General, Inorganic Chemistry

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