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Question
The reaction of glucose with acetic anhydride confirms the presence of how many hydroxy groups in glucose?
The reaction of glucose with acetic anhydride confirms the presence of how many hydroxy groups in glucose?
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Solution
The correct option is C 5
The reaction of glucose with (CH3CO)2O gives glucose pentaacetate, which has five acetyl group in the structure. This reaction also proves that all the 5 OH groups are present at different carbon atoms, because of the stable nature of glucose.
Hence, (c) is correct.
The reaction of glucose with (CH3CO)2O gives glucose pentaacetate, which has five acetyl group in the structure. This reaction also proves that all the 5 OH groups are present at different carbon atoms, because of the stable nature of glucose.
Hence, (c) is correct.
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