Which of the following compounds will behave | vedclass

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(A) reducing sugar is a carbohydrate that possesses a free aldehyde or ketone group,or a hemiacetal group that can open to form such a group in soluti

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(A) reducing sugar is a carbohydrate that possesses a free aldehyde or ketone group,or a hemiacetal group that can open to form such a group in solution.In an aqueous $KOH$ solution,esters of sugars (like the one shown in option $A$) undergo base-catalyzed hydrolysis.The hydrolysis of the ester group at the anomeric carbon releases a free hydroxyl group,regenerating the hemiacetal structure.This hemiacetal structure exists in equilibrium with its open-chain form containing a free aldehyde or ketone group,thus exhibiting reducing properties.Therefore,the compound in option $A$ acts as a reducing sugar after hydrolysis in aqueous $KOH$.

Which of the following compounds will behave as a reducing sugar in an aqueous $KOH$ solution?

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