Reducing Sugars and Fehling’s Solution
Description: Simple sugars like glucose and fructose reduce Fehling’s solution when heated, giving a red precipitate from the initial solution; sucrose does not.
Source: UW Card Catalog
Year: 1998 Vol: N/A Page: N/A
Keywords: Fehling’s Solution, Glucose, Fructose, Sucrose, Precipitation, Redox, Copper oxide
Rating: 
Hazard: Medium
- Acute toxicity hazard
- Aquatic toxicity hazard
- Skin corrosion hazard
- Burn hazard
- Electric shock hazard
- Corrosive to metals
- Serious eye damage
Effectiveness: Average
- Good connection from demo to course material
- Results are observable without guidance
- Time to results is high
- Moderate reliability
Difficulty: Medium
- Procedures with intermediate steps to results
- Some timed manipulations
- Reactions or demos at non-standard conditions
- Use of toxic reagents
Safety Precautions:
- Eye protection required
- Gloves required
- Thermal gloves recommended
- Use of UL approved three-prong outlet
- Absorbent materials on hand
- Perform on chemically resistant surface
- Perform in a well-ventilated area
- Sodium bicarbonate on hand
- Prevent release of reagents to the environment
Class: Organic Chemistry, Biochemistry
Division: General, Organic Chemistry
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