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Carbohydrates: classification, glucose structure, reactions
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bm005
Glucose reacts with acetic anhydride to give a pentaacetate. This indicates that glucose contains
A
five hydroxyl groups
B
five carboxyl groups
C
five ether linkages
D
five carbonyl groups
Answer: A
Each acetyl group replaces the H of one OH group, so five acetyl groups mean five OH groups.
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