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प्रश्न
What is the action of the following reagents on glucose?
hydroxylamine
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उत्तर
Glucose forms oxime by reaction with hydroxylamine:
\[\begin{array}{cc}
\phantom{}\ce{CHO}\phantom{..............}\ce{CH = N - OH}\phantom{..}\\
\phantom{.}|\phantom{..................}|\phantom{...............}\\
\ce{(CHOH)4 ->[NH2 - OH](CHOH)4 + H2O}\\
\phantom{}|\phantom{..................}|\phantom{..............}\\
\phantom{}\ce{\underset{\text{Glucose}}{CH2OH} \phantom{..........}\underset{\text{Oxime}}{CH2OH}}\phantom{........}
\end{array}\]
APPEARS IN
संबंधित प्रश्न
Draw a neat diagram for the following:
Haworth formula of glucopyranose.
Classify the following carbohydrates into monosaccharide, disaccharide, oligosaccharide and polysaccharide:
glucose, cellulose, maltose, stachyose
Draw the Haworth projection structure of the following.
α-D-(–)-Fructofuranose
Identify the sugar having the molecular formula C6H1206.
Identify the CORRECT combination.
Match the columns and select the correct option.
| Column I | Column II | ||
| i. | Starch | a. | Animal storage molecule |
| ii. | Cellulose | b. | Plant storage molecule |
| iii. | Glycogen | c. | Heparin |
| iv. | Heteropolysaccharide | d. | Plant cell wall component |
Which one of the following is an oligosaccharide?
Stachyose is ____________.
Which one of the following is a carbohydrate but does NOT follow the general formula of carbohydrate?
Which one of the following carbohydrates is insoluble in water?
Which one of the following sugar does NOT have same empirical fonnula as that of carbohydrate?
What is the number of hydroxyl groups present in lactic acid?
When 2 moles of stachyose is hydrolyzed, the number of moles of galactose obtained is ____________.
Which among the following reagents is used for conversion of glucose to glucoxime?
Which among the following reagents is used to obtain gluconic acid from glucose?
How many hydroxyl groups are present in Erythrulose?
Which among the following observations suggests that glucose also exists in cyclic form?
Classify the following into monosaccharides, oligosaccharides and polysaccharides.
Sucrose
Which of the following groups contain polysaccharides?
The two monosaccharides in a disaccharide are held together by ______ bonds.
Which carbon atoms of fructose are bonded together through oxygen forming fructofuranose?
Identify the monosaccharide containing only one asymmetric carbon atom in its molecule.
Starch and cellulose are compounds made up of many units of ______.
Consider the following reaction
\[\ce{A <-[Br2 - H2O] Glucose ->[HNO3] B}\]
Here, 'A' and 'B' are respectively.
\[\ce{CH2OH - CO - (CHOH)4 - CH2OH}\] is an example of ______.
Describe the action of the following reagent on glucose:
Bromine water
Why carbohydrates are generally optically active?
\[\ce{CH2OH - CO - (CHOH)4 - CH2OH}\] is an example of ______.
