14.17 What happens when D-glucose is treated with the following reagents? (i) HI (ii) Bromine water (iii) HNO3
14.17 What happens when D-glucose is treated with the following reagents? (i) HI (ii) Bromine water (iii) HNO3
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1 Answer
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14.17
When D-glucose is heated and treated with HI for a long period of time, then n-hexane is formed, which shows that all the six-carbon atoms are linked in a straight
2. When D-glucose is treated with Br2 water i.e., bromine water which is a mild oxidising agent, then we get D-gluconic acid as one of the product. This reaction assures the presence of carbonyl group which is available as an aldehydic group.
3. On being treated with HNO3, D-glucose get oxidised which gives saccharic acid as final Saccharic acid is a di-carboxylic acid. This reaction confirms the presence of alcoholic group (- OH) in the glucose.
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