Glucose gives a brick-red precipitate with Fehling's solution because it is
Question 1 Report
Glucose gives a brick-red precipitate with Fehling's solution because it is
Answer Details
Glucose gives a brick-red precipitate with Fehling's solution because it is a reducing sugar. Fehling's solution contains copper ions (Cu2+) which are reduced to copper (I) oxide (Cu2O) by reducing sugars. The brick-red precipitate is the copper (I) oxide formed in the reaction. Glucose is a reducing sugar because it has a free aldehyde or ketone functional group that can donate electrons and reduce other substances like the copper ions in Fehling's solution.
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