Question

How to show presence of primary alcohol group in glucose???​

Answer 1

Glucose gives a penta ester with acetic anhydride, revealing that it has 5hydroxyl groups. On oxidation with Nitric acid (HNO3),glucose as well as gluconic acid both yeild a dicarboxylic acid (saccharic acid). This indicates the presence of a primary alcoholic group in glucose.

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Answer 2

Answer:

Glucose gives a penta ester with acetic anhydride, revealing that it has 5 hydroxyl groups. On oxidation with Nitric acid (HNO3),glucose as well as gluconic acid both yeild a dicarboxylic acid (saccharic acid). This indicates the presence of a primary alcoholic group in glucose.