Advertisements
Advertisements
Question
Define carbohydrates.
Advertisements
Solution
Carbohydrates are optically active polyhydroxy aldehydes or polyhydroxy ketones or compounds that can be hydrolysed to polyhydroxy aldehydes or polyhydroxy ketones.
APPEARS IN
RELATED QUESTIONS
The glycosidic linkage in maltose is formed between _______________
Draw the structure of α-D glucopyranose.
Write chemical reaction for following conversions
glucose into glucoxime
Write chemical reaction for following conversions
glucose into gluconic acid
Classify the following carbohydrates into monosaccharide, disaccharide, oligosaccharide and polysaccharide:
glucose, cellulose, maltose, stachyose
What is the action of the following reagents on glucose?
hydroxylamine
What is the action of the following reagents on glucose?
hydrogen iodide
Write a chemical reaction to convert glucose into glucose cyanohydrin.
Write a commercial method for preparation of glucose.
What is monosaccharide?
By which of the following process formation of glycosidic bond occurs?
Identify the given structure 'P' and 'Q'.


From the following identify an example of disaccharides.
Which of the following monosaccharides is a tetrose sugar?
Which of the following carbohydrate is sweet to taste?
Which among the following compounds is obtained when glucose reacts with hydrogen cyanide?
Chitin is a/an ______.
4-O-(α-D-Glucopyranosyl)-D-glucopyranose is ____________.
Identify the INCORRECT statement regarding glucose.
Which element among the following is not present in saccharine?
Which one of the following carbohydrates is insoluble in water?
Which one of the following is NOT soluble in water?
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?
What is the quantity of glucose obtained when 68.4 g of sucrose is hydrolyzed in laboratory under ideal condition?
(Molar mass of sucrose = 342 g mol−1)
Which among the following reagents is used for conversion of glucose to glucoxime?
Which one of the following rotates the plane polarized light towards left?
Which one given below is a non-reducing sugar?
The number of sp2 and sp3 hybridised carbon in fructose are respectively ____________.
Classify the following into monosaccharides, oligosaccharides and polysaccharides.
Fructose
Classify the following into monosaccharides, oligosaccharides and polysaccharides.
Lactose
Which of the following groups contain polysaccharides?
Lactose is made of ______.
A molecule of stachyose contains how many carbon atoms?
Which carbon atoms of fructose are bonded together through oxygen forming fructofuranose?
Match the Column I with Column II and choose the correct answer from options below:
| Column I | Column II |
| A. Purine | 1. Glycogen |
| B. Pyrimidine | 2. Cellulose |
| C. Structural polysaccharide | 3. Glucagon |
| D. Storage polysaccharide | 4. Adenine |
| 5. Cytosine |
Which one is a non-reducing commercial sugar?
Formation of gluconic acid from glucose by oxidation using Br2 water.
Identify the product obtained in the following conversion.
\[\ce{Glucose ->[(O)][Br2 water] Product}\]
Why carbohydrates are generally optically active.
Why carbohydrates are generally optically active.
Assign D/L configuration to the following monosaccharides:

Write Fischer projection formulae for glucose.
Explain the hydrolysis of sucrose.
CH2 OH - CO - (CHOH)4 - CH2 OH is an example of ______.
Why carbohydrates are generally optically active.
CH2 OH - CO - (CHOH)4 - CH2 OH is an example of ______.
Write the Zwitter ion structure of alanine.
Why carbohydrates are generally optically active?
\[\ce{CH2OH - CO - (CHOH)4 - CH2OH}\] is an example of ______.
Why carbohydrates are generally optically active.
Which of the following is used to separate glucose and fructose from hydrolysate of sucrose?
