JEE Main Chemistry question

[J & K CET 2006] All monosaccharides ………… Tollens' reagent.

(A)Oxidises
(B)Condense with
(C)ReducesCorrect
(D)Add to

Answer: (C)

Solution

Every monosaccharide, whether an aldose or a ketose, carries a free carbonyl group capable of being oxidised by Tollens' reagent, during which the silver(I) ion is itself reduced to metallic silver (the silver-mirror test). The sugar

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Question ID VK-150625