Question:

Pyranose ring of glucose is formed due to the reaction between:

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When studying sugar chemistry, remember that the pyranose ring forms when the aldehyde on C\(_1\) reacts with the hydroxyl group on C\(_5\).
Updated On: Jun 25, 2025
  • C\(_1\) and C\(_3\)
  • C\(_1\) and C\(_5\)
  • C\(_1\) and C\(_4\)
  • C\(_1\) and C\(_2\)
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The Correct Option is B

Solution and Explanation

The pyranose ring of glucose is formed by a reaction between the hydroxyl group on carbon C\(_5\) and the aldehyde group on carbon C\(_1\), resulting in a cyclic structure. This reaction is an example of intramolecular hemiacetal formation. The resulting structure is a six-membered ring, known as the pyranose form of glucose.
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