Glucose pentaacetate shows that glucose carries how many hydroxyls?
AFive
BNine
CFour
DSeven
Answer & Solution
Correct answer: A. Five
1. Acetic anhydride acetylates every free hydroxyl.
2. The product carries five acetyl groups.
3. So glucose has five hydroxyl groups.
_Source: NCERT Class 12 Chemistry Part 2, Unit 10 'Biomolecules'_
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