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Three carbohydrate molecules A, B and C were analysed by a scientist for their identification. Their characteristics are tabulated as
S.No. Reagent Information A B C
1. Tollens Reagent Forms Silver mirror Forms Silver mirror No effect
2. Fehlings Solution Forms red ppt Forms red ppt No effect
3. Phenyl hydrazine Osazone yellow ppt Same Osazone Yellow ppt No effect
4. Resorcinol + HCl_(aq) No colour Red or brown ppt Reddish brown ppt which dissolves in ethanol
5. Molecular formula C₆H₁₂O₆ C₆H₁₂O₆ C₁₂H₂₂O₁₁
6. Hydrolysis in Acidic medium No hydrolysis No hydrolysis Give A and B
7. Melting Point 419K 375K 458K

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