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प्रश्न
Give a reason for the following observations:
Penta-acetate of glucose does not react with hydroxylamine.
उत्तर
Penta-acetate of glucose does not react with hydroxylamine (−OHNH2) because there is no free −CHO group present.
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संबंधित प्रश्न
Draw the simple Fisher projection formulae of D - (+) - glucose and D - (-) - fructose
What happens when glucose is treated with hydroxylamine?
Differentiable between the following:
Amylose and Amylopectin
What do you observe when glucose solution is heated with Tollen’s reagent?
Acetylation of glucose yields ____________.
Which one of the following compounds is different from the rest?
Three structures are given below in which two glucose units are linked. Which of these linkages between glucose units are between C1 and C4 and which linkages are between C1 and C6?
| (I) |  |
| (II) |  |
| (III) |  |
Why does compound (A) given below not form an oxime?
(A)
What happens when D-glucose is treated with the following reagent?
HI
Consider the following reactions:
(i) \[\ce{Glucose + R-OH ->[Conc. HNO3] [A] ->[X eq of][(CH3CO)2O] Acetyl derivative}\]
(ii) \[\ce{Glucose ->[Ni/H2] [A] ->[Y eq of][(CH3CO)2O] Acetyl derivative}\]
(iii) \[\ce{Glucose ->[Z eq of][(CH3CO)2O] Acetyl derivative}\]
'X, 'Y' and 'Z' in these reactions are respectively:
