Differences in Miscibility of Organic Alcohols with Increasing Chain Length
Description: Four different alcohols, ethanol, n-propanol, n-butanol, and n-hexanol, are put in large test tubes. Colored water is added to each, and the differences in miscibility with increasing chain length can be seen.
Source: Petr Kuzmic
Year: 1990 Vol: N/A Page: N/A
Keywords: Ethanol, n-propanol, n-butanol, n-hexanol, Miscibility, Chain length, Solubility, Intermolecular Forces
Rating:
Hazard: Medium
- Acute toxicity hazard – single exposure, respiratory system, central nervous system
- Acute toxicity hazard – oral, dermal
- Flammable liquids hazard
- Skin irritation
- Serious eye damage hazard
- Short term aquatic toxicity hazard
- Electric shock hazard
Effectiveness: Good
- Results are clearly observable without guidance
- Good connection from demo to course material
- High reliability
- Time to results is low
- Mild effects are seen by audience
Difficulty: Medium
- Sequential addition of reagents
- Handling of toxic reagents
- Simple procedures
- Experiments in which a display is used
- Use of flammable reagents
Safety Precautions:
- Eye protection required
- Gloves required
- ABC fire extinguisher on hand
- Lab coat recommended
- Absorbent materials on hand
- Avoid exposure to mists, vapors and droplets
- Perform in a well-ventilated area
- Use UL approved three-prong plug and outlet
- Prevent release of reagents to the environment
Class: Organic Chemistry, Intermolecular Forces, Solubility
Division: General, Organic Chemistry
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