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प्रश्न
Draw the Haworth projection structure of the following.
α-D-(–)-Fructofuranose
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उत्तर
Haworth projection formula of α-D-(–)-fructofuranose:
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संबंधित प्रश्न
Give two evidences for presence of formyl group in glucose.
Draw a neat diagram for the following:
Haworth formula of glucopyranose.
Glucose on oxidation with dilute nitric acid gives _______________
Write the name of the unit to which glucose unit is linked to from sucrose.
Explain the preparation of glucose from sucrose.
Write chemical reaction for following conversions
glucose into gluconic acid
Explain D and L configuration in sugars.
Write a commercial method for preparation of glucose.
Draw the structure of the pyran.
Which of the following carbohydrate is sweet to taste?
From the following which is a heteropolysaccharide?
The reserve food material in animals is ____________.
Fructose is the fruit sugar and chemically it is ketohexose but it has a ______ rather than a ______.
Identify the WRONG statement.
Which among the following compounds is obtained when glucose reacts with hydrogen cyanide?
Monosaccharides are ______ in nature.
From the following identify the two types of glucose polymers present in starch.
Which reagent among the following is used to confirm presence of aldehydic carbonyl group in glucose?
Which carbon atoms of α- D glucopyranose and β-D-fructofuranose respectively are linked together to form glycosidic linkage in sucrose?
All these carbohydrates contain \[\ce{1 -> 4β}\] glycosidic linkage, EXCEPT ____________.
4-O-(α-D-Glucopyranosyl)-D-glucopyranose is ____________.
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Which one of the following is generally applicable to polysaccharides?
Which one of the following is Tetrose sugar?
Glucose and gluconic acid treated with dilute nitric acid forms saccharic acid. What does this indicate?
Identify the number of secondary carbon atoms in glucose.
Identify the number of oxygen atoms present in saccharic acid?
Which among the following reagents is used for conversion of glucose to glucoxime?
What is the molecular formula of glyceraldehyde?
How many optical isomers are possible for a compound having four asymmetric carbon atoms?
Which one given below is a non-reducing sugar?
Assertion: A solution of sucrose in water is dextrorotatory. But on hydrolysis in the presence of little hydrochloric acid, it becomes levorotatory.
Reason: Sucrose hydrolysis gives equal amounts of glucose and fructose. As a result of this change in sign of rotation is observed.
What are reducing and non-reducing sugars?
Why carbohydrates are generally optically active?
Classify the following into monosaccharides, oligosaccharides and polysaccharides.
Starch
Classify the following into monosaccharides, oligosaccharides and polysaccharides.
Sucrose
Classify the following into monosaccharides, oligosaccharides and polysaccharides.
Maltose
Write the structure of α-D (+) glucopyranose.
Which of the following groups contain polysaccharides?
Glucose on oxidation with bromine water yields gluconic acid. This reaction confirms the presence of ______.
Starch and cellulose are compounds made up of many units of ______.
Which one is a non-reducing commercial sugar?
\[\ce{CH2OH-CO-(CHOH)4-CH2OH}\] is an example of ______.
Why carbohydrates are generally optically active?
Carbohydrates that do not undergo hydrolysis further are called ______.
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.
Why are carbohydrates 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.
