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प्रश्न
Which of the following pairs represents anomers?
विकल्प
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उत्तर
Explanation:
The isomers which differ only in the configuration of the hydroxyl group at C – 1 are called anomers and are referred to as α- and β-fonns.
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संबंधित प्रश्न
How many moles of acetic anhydride will be required to form glucose pentaacetate from 2M of glucose?
(a) 2
(b) 5
(c) 10
(d) 2.5
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Write the reaction involved when D-glucose is treated with the following reagent:
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Write the reaction involved when D-glucose is treated with the following reagent:
(CH3CO)2O
Oxime is formed by treating glucose with ____________.
Which of the following statements is incorrect regarding glucose?
The symbols D and L represents ____________.
Glucose is found to exist in two different α and β crystalline forms. These forms can be obtained by:
(i) The α form of glucose is obtained by crystallisation from a concentrated solution of glucose at 303 K.
(ii) The β form of glucose is obtained by crystallisation from a concentrated solution of glucose at 303 K.
(iii) The β form is obtained by crystallisation from hot and saturated aqueous solution at 371 K.
(iv) The α form is obtained by crystallisation from hot and saturated aqueous solution at 371 K.
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The letter D and L in carbohydrates represent ____________.
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HI
Account for the following:
What happens when D – glucose is treated with the following reagents
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Account for the following:
What happens when D – glucose is treated with the following reagents
HNO3
Glucose with excess of phenyl hydrazine forms ______.
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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:
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- Tollen’s reagent
- Schiff’s reagent
- HCN
- NH2OH
- NaHSO3
Choose the correct options from the given below:
