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Question: Answered & Verified by Expert
In aqueous solution glucose remains as
ChemistryBiomoleculesWBJEEWBJEE 2011
Options:
  • A Only in open chain form
  • B Only in pyranoze form
  • C Only in furanose forms
  • D In all three forms in equilibrium
Solution:
2041 Upvotes Verified Answer
The correct answer is: In all three forms in equilibrium
Hints: \(\begin{aligned} & \beta-\mathrm{D}-\text { glucose } \rightleftharpoons \mathrm{D}-\text { glucose } \rightleftharpoons \alpha-\mathrm{D}-\text { glucose } \\ & (\approx 64 \%) \quad\qquad(\text {open chain } \approx 0.02 \%) \qquad~~(\approx 34 \%)\end{aligned}\)

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