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

1. HOH 2 C OH HO O CH 2 OH OCH 3
2. HOH 2 C OH O CH 2 OCH 3 OH OH
3. HOH 2 C OH HO O CH 2 OH OCOCH 3
4. HOH 2 C OH HO O CH 2 OH Students may find similar question in CP exercise sheet : [ JEE Main, Chapter : Carbohydrate, page 74, Q. No. 9 ] [ JEE Advance, Chapter : Carbohydrate, Protein & Polymer, Exercise # 5, Q. No. 2 ]

Correct answer: HOH 2 C OH HO O CH 2 OH OCOCH 3

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