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Write the reactions of D-glucose which c...

Write the reactions of D-glucose which can't be explained by its open chain structure. How can cyclic structure of glucose explain these reactions?

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### Step-by-Step Solution #### Step 1: Identify the Reactions of D-Glucose D-glucose can participate in several reactions that cannot be explained by its open-chain structure. The key reactions include: 1. **Schiff's Test**: D-glucose does not give a positive result in Schiff's test, which is typically indicative of the presence of an aldehyde group. 2. **Reaction with Sodium Bisulfite (NaHSO3)**: D-glucose does not form an addition product when reacted with NaHSO3. 3. **Reaction of Pentacetate of Glucose with Hydroxylamine**: The pentacetate derivative of glucose does not react with hydroxylamine. ...
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Knowledge Check

  • Which of the following reactions of glucose can be explained only by its cyclic structure?

    A
    Glucose forms pentaacetate
    B
    Glucose reacts with hydroxylamine to form an oxime.
    C
    Pentaacetate of glucose does not react with hydroxylamine
    D
    Glucose is oxidised by nitric acid to gluconic acid.