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On acetylation with acetic anhydride, glucose gives

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On acetylation with acetic anhydride, glucose gives
A. hexaacetate
B. pentaacetate
C. tetraacetate
D. triacetate
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Correct Answer - B
Pentaacetate is formed as glucose contains `5 - OH` groups:
`HOCH_(2) (CHOH)_(4) (CHO) rarr Ac OCH_(2) (CHOAc)_(4) CHO`
`(Ac rarr CH_(3) CO-)`
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