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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:
\[\begin{array}{cc}
\phantom{}\ce{CHO}\phantom{..............}\ce{CH = N - OH}\phantom{..}\\
\phantom{.}|\phantom{..................}|\phantom{...............}\\
\ce{(CHOH)4 ->[NH2 - OH](CHOH)4 + H2O}\\
\phantom{}|\phantom{..................}|\phantom{..............}\\
\phantom{}\ce{\underset{\text{Glucose}}{CH2OH} \phantom{..........}\underset{\text{Oxime}}{CH2OH}}\phantom{........}
\end{array}\]
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संबंधित प्रश्न
Write the name of the polysaccharide used for the commercial preparation of glucose.
Draw the structure of α-D glucopyranose.
Explain the preparation of glucose from sucrose.
Write chemical reaction for following conversions
glucose into glucoxime
What is the action of the following reagents on glucose?
acetic anhydride
What is the action of the following reagents on glucose?
hydrogen iodide
Draw the Haworth projection structure of the following.
α-D-(–)-Fructofuranose
Explain D and L configuration in sugars.
Draw the structure of the pyran.
By which of the following process formation of glycosidic bond occurs?
Identify the bond that links the carbon of two adjacent monosaccharides.
From the following identify an example of disaccharides.
Which of the following carbohydrate is sweet to taste?
Carbohydrates can contain which of the following chemical groups?
Identify the WRONG statement.
Which is the product obtained, when Br2 water reacts with glucose?
From the following identify the two types of glucose polymers present in starch.
Which among the following type of linkages is present in cellulose?
Prolonged heating of glucose with hot HI results in the formation of ____________.
Identify the INCORRECT statement regarding glucose.
Which element among the following is not present in saccharine?
The general formula for polysaccharide is ____________.
\[\ce{CH3 - CH2 - CH2 - Br ->[Na][dry ether] A ->[Cl2] B}\]
Identify the product B in the above reaction.
Glucose and gluconic acid treated with dilute nitric acid forms saccharic acid. What does this indicate?
Which following reagent is used to detect presence of five hydroxyl groups in a glucose molecule?
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 to confirm the presence of carbonyl group in glucose?
Which of the following statement is NOT true about saccharic acid?
Which among the following reagents is used for conversion of glucose to glucoxime?
What is the molecular formula of glyceraldehyde?
Glucose is an aldose. Which one of the following reactions is not expected with glucose?
Classify the following into monosaccharides, oligosaccharides and polysaccharides.
Fructose
Which of the following groups contain polysaccharides?
Glucose on oxidation with bromine water yields gluconic acid. This reaction confirms the presence of ______.
Identify the monosaccharide containing only one asymmetric carbon atom in its molecule.
Corn is immersed in boiling water. It is then cooled, and the solution becomes sweet. It is due to ______.
Which one is a non-reducing commercial sugar?
Formation of gluconic acid from glucose by oxidation using Br2 water.
The glycosidic linkage present in maltose is ______.
Why carbohydrates are generally optically active?
Assign D/L configuration to the following monosaccharides:
Describe the action of the following reagent on glucose:
dil. Nitric acid.
Carbohydrates that do not undergo hydrolysis further are called ______.
Write Fischer projection formulae for glucose.
Explain the hydrolysis of sucrose.
Why carbohydrates are generally optically active.
Why carbohydrates are generally optically active.
Why carbohydrates are generally optically active.
Why carbohydrates are generally optically active?
\[\ce{CH2OH - CO - (CHOH)4 - CH2OH}\] is an example of ______.
Why carbohydrates are generally optically active.
Given below are two statements.
Statement I - Lactose on hydrolysis converts into glucose and galactose.
Statement II - Galactose also plays same role as glucose in respiration.
In light of the above statements, select the correct option given below.
The sugar found in milk is ______.
