JEE Main Chemistry question

Glucose and cane sugar can be distinguished by:

(A)Fehling's solutionCorrect
(B)Baeyer's reagent
(C)Molisch test
(D)Iodine solution

Answer: (A)

Solution

Glucose, a reducing sugar, gives a positive Fehling's test (red precipitate of ), while cane sugar (sucrose), being a non-reducing sugar, gives a negative result, providing a clear distinguishing test.

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Question ID VK-151013