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Karnataka Board PUCPUC Science 2nd PUC Class 12

Biomolecules in the Cell > Carbohydrates - Structures of Glucose

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Estimated time: 2 minutes
Maharashtra State Board: Class 12

Key Points: Structures of Glucose

  • Glucose is an aldohexose with molecular formula \[C_{6}H_{12}O_{6},\mathrm{M.P.146^{\circ}C.}\]
  • 'D' in D-(+)-Glucose = configuration; (+) = dextrorotatory nature; 'D'/'L' have no relation to optical activity.
  • Glucose has five —OH groups (confirmed by glucose pentaacetate) and one aldehydic carbonyl group (confirmed by oxime & cyanohydrin formation).
  • Glucose is soluble in water, sparingly soluble in alcohol, and insoluble in ether.
  • The additional chiral centre in glucose ring structures is formed due to ring closure.

Shaalaa.com | Biomolecules part 6 (Glucose Structure, open chain, Fisher)

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Biomolecules part 6 (Glucose Structure, open chain, Fisher) [00:20:54]
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