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Aldose Oxidation and Fehling's Solution Quiz
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Aldose Oxidation and Fehling's Solution Quiz

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Questions and Answers

What is the initial product when d-glucose is quantitatively oxidized to d-gluconic acid using glucose oxidase?

  • Uronic acid
  • Intramolecular ester
  • 1,5-lactone (correct)
  • D-gluconic acid

    • What is the color of cupric oxide precipitate formed when Fehling’s solution oxidizes an aldose to an aldonate?

  • Yellow
  • Brick-red (correct)
  • Green
  • Blue

    • How are uronic acids formed based on the oxidation of the hydroxymethyl group in aldoses?

  • By forming a lactone ring in furanose form
  • By converting to an aldonate
  • By retaining the carbonyl function at C-1 (correct)
  • By reducing the carbonyl function

    • Which form of pyranose is oxidized more rapidly when using Fehling’s solution to oxidize an aldose?

    <p>β-Pyranose</p> Signup and view all the answers

    What suffix is added to the name of an aldose to obtain the acid name after oxidation?

    <p>‘onic acid’</p> Signup and view all the answers

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