Glucose with bromine water gives gluconic acid: what this proves (aldehyde group)

1. A.
   glucose contains five hydroxyl groups.
2. B.
   the presence of aldehyde group in glucose.
3. C.
   glucose contains one primary alcoholic group.
4. D.
   the six carbon atoms of glucose are in a straight chain.

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1. A.
   Formation of oxime when reacted with ${NH}_{2}OH$.
2. B.
   Formation of gluconic acid when reacted with ${Br}_{2}$ water.
3. C.
   Formation of saccharin acid when glucose and gluconic acid treated with dil. ${HNO}_{3}$.
4. D.
   Formation of Penta acetate when treated with acetic anhydride.

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