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Question
Give a reason for the following observations:
Penta-acetate of glucose does not react with hydroxylamine.
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Solution
Penta-acetate of glucose does not react with hydroxylamine (−OHNH2) because there is no free −CHO group present.
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RELATED QUESTIONS
Enumerate the reactions of D-glucose which cannot be explained by its open chain structure.
What do you observe when glucose solution is heated with Tollen’s reagent?
The following compound can be called as:
When glucose reacts with bromine water, the main product is ____________.
The reaction of glucose with red P + HI is called ____________.
Which of the following reactions of glucose can be explained only by its cyclic structure?
Account for the following:
There are 5 OH groups in glucose
Match List - I with List - II.
| List I | List II | ||
| (A) | Glucose + HI | (I) | Gluconic acid |
| (B) | Glucose + Br2 water | (II) | Glucose pentacetate |
| (C) | Glucose + acetic anhydride | (III) | Saccharic acid |
| (D) | Glucose + HNO3 | (IV) | Hexane |
Choose the correct answer from the options given below:
When D-glucose reacts with HI, it forms ______.
The reagents with which glucose does not react to give the corresponding tests/products are:
- Tollen’s reagent
- Schiff’s reagent
- HCN
- NH2OH
- NaHSO3
Choose the correct options from the given below:
