Practicing Success

Target Exam

CUET

Subject

Chemistry

Chapter

Organic: Biomolecules

Question:

Fructose is ketose sugar, even then it gives red precipitate with Fehling solution because

Options:

Keto sugars undergo transformation into aldose sugars in the presence of Fehling’s solution

Ketones are oxidized by Fehling solution

Both (a) And (b)

None of these

Correct Answer:

Keto sugars undergo transformation into aldose sugars in the presence of Fehling’s solution

Explanation:

Fructose undergoes tautomerization to produce glucose in solution, which is responsible for the positive Fehling test.