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The reaction of glucose with acetic anhydride conforms the presence of how many hydroxy groups in glucose?(a) 3(b) 4(c) 5(d) 6This question was posed to me during an internship interview.This interesting question is from Biomolecules Carbohydrates in portion Biomolecules of Chemistry – Class 12

Answer»

Right ANSWER is (C) 5

Explanation: The reaction of glucose with (CH3CO)2O GIVES glucose pentaacetate, which has five acetyl GROUPS in the structure. This reaction also proves that all the five OH groups are present at different CARBON atoms, because of the stable nature of glucose.



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