Advertisements
Advertisements
प्रश्न
Write chemical reaction for following conversions
glucose into gluconic acid
Advertisements
उत्तर
Glucose gets oxidised to a six carbon monocarboxylic acid called gluconic acid on reaction with bromine water which is a mild oxidizing agent.
\[\begin{array}{cc}
\phantom{}\ce{CHO}\phantom{...................}\ce{COOH}\phantom{.}\\
\phantom{}|\phantom{.......................}|\phantom{......}\\
\phantom{}\ce{(CHOH)4 + [O] ->[Br2 water]\phantom{}(CHOH)4}\phantom{}\\
\phantom{}|\phantom{.......................}|\phantom{......}\\
\phantom{..}\ce{\underset{\text{Glucose}}{CH2OH} \phantom{...............}\underset{\text{Gluconic acid}}{CH2OH}}\phantom{}
\end{array}\]
APPEARS IN
संबंधित प्रश्न
Give scientific reasons:
Hydrolysis of sucrose is called inversion.
Glucose on oxidation with dilute nitric acid gives _______________
The glycosidic linkage in maltose is formed between _______________
Write the name of the polysaccharide used for the commercial preparation of glucose.
Draw the structure of the pyran.
Which of the following type of carbohydrates cannot be hydrolyzed?
Identify the given structure 'P' and 'Q'.
Which enzymes would work sequentially on potatoes consumed by an individual?
Which of the following carbohydrate is sweet to taste?
Identify the WRONG statement.
Match the Column I and Column II select the correct option.
| Column I | Column II | ||
| i. | Monosaccharides | a. | Stored energy in animals |
| ii. | Glycogen | b. | Polymer made from ß-glucose molecules |
| iii. | Cellulose | c. | Exoskeleton of arthropods |
| iv. | Chitin | d. | Building blocks of carbohydrates |
| e. | Plant hormone |
Chitin is a/an ______.
The number of asymmetric carbon atoms in the glucose molecule is ____________.
____________ do not give smaller sugar units on hydrolysis.
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 |
Identify the INCORRECT statement regarding glucose.
Which element among the following is not present in saccharine?
Which one of the following is an oligosaccharide?
The general formula for polysaccharide is ____________.
Stachyose is ____________.
Which one of the following is Tetrose sugar?
Which one of the following carbohydrates is insoluble in water?
Which one of the following is NOT soluble in water?
Which of the following molecules reduces Fehling's solution?
What is the number of hydroxyl groups present in lactic acid?
Which among the following reagents is used to confirm the presence of carbonyl group in glucose?
Identify the number of oxygen atoms present in saccharic acid?
Identify the product Y in the following reaction.
\[\ce{Maltose ->[Hydrolysis] X ->[dil. HNO3][(excess)] Y}\]
Which among the following is a product of hydrolysis of one mole raffinose?
When one mole of lactose is hydrolysed, the hydrolysate contains ____________.
Which one of the following rotates the plane polarized light towards left?
The number of sp2 and sp3 hybridised carbon in fructose are respectively ____________.
Complete hydrolysis of cellulose gives ____________.
α-D (+) Glucose and β-D (+) glucose are ____________.
Why carbohydrates are generally optically active?
Classify the following into monosaccharides, oligosaccharides and polysaccharides.
Sucrose
Classify the following into monosaccharides, oligosaccharides and polysaccharides.
Maltose
Corn is immersed in boiling water. It is then cooled, and the solution becomes sweet. It is due to ______.
The glycosidic linkage present in maltose is ______.
\[\ce{CH2OH-CO-(CHOH)4-CH2OH}\] is an example of ______.
Why carbohydrates are generally optically active?
Describe the action of the following reagent on glucose:
dil. Nitric acid.
Write Fischer projection formulae for glucose.
Explain the hydrolysis of sucrose.
Write the ring structure of glucose.
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.
