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A disaccharide X cannot be oxidised by bromine water. The acid hydrolysis of X leads to a laevorotatory solution. The disaccharide X is

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Important Questions on Biomolecules

EASY
Chemistry>Organic Chemistry>Biomolecules>Carbohydrates
Sucrose contains glucose and fructose linked by :
EASY
Chemistry>Organic Chemistry>Biomolecules>Carbohydrates
Given below are two statements : one is labelled as Assertion (A) and the other is labelled as Reason (R).
Assertion (A) : Sucrose is a disaccharide and a non-reducing sugar.
Reason (R): Sucrose involves glycosidic linkage between C1 of β-glucose and C2 of α-fructose.
Choose the most appropriate answer from the options given below :
MEDIUM
Chemistry>Organic Chemistry>Biomolecules>Carbohydrates

Sucrose is not:

MEDIUM
Chemistry>Organic Chemistry>Biomolecules>Carbohydrates
Write Haworth structure of "Lactose".
EASY
Chemistry>Organic Chemistry>Biomolecules>Carbohydrates
The reaction of concentrated sulphuric acid with carbohydrates C12H22O11 is an example of
EASY
Chemistry>Organic Chemistry>Biomolecules>Carbohydrates
What is invert sugar? Why is it so called?
MEDIUM
Chemistry>Organic Chemistry>Biomolecules>Carbohydrates

Write the products obtained after hydrolysis of lactose.

MEDIUM
Chemistry>Organic Chemistry>Biomolecules>Carbohydrates
What are the expected products of hydrolysis of Lactose?
EASY
Chemistry>Organic Chemistry>Biomolecules>Carbohydrates
Which of the following will not produce an aldehyde group at the anomeric carbon in solution?
EASY
Chemistry>Organic Chemistry>Biomolecules>Carbohydrates
 All monosaccharides__________ Tollens' reagent.
MEDIUM
Chemistry>Organic Chemistry>Biomolecules>Carbohydrates
Give one exampe of oligosacchardies.
EASY
Chemistry>Organic Chemistry>Biomolecules>Carbohydrates
Maltose on treatment with dilute HCl gives:
EASY
Chemistry>Organic Chemistry>Biomolecules>Carbohydrates
Write the names of two oligosaccharides.
EASY
Chemistry>Organic Chemistry>Biomolecules>Carbohydrates
What are the products obtained on hydrolysis of sucrose?
MEDIUM
Chemistry>Organic Chemistry>Biomolecules>Carbohydrates
What are tetrasaccharides? Give its general formula and an example
EASY
Chemistry>Organic Chemistry>Biomolecules>Carbohydrates
Define Oligosaccharide?
EASY
Chemistry>Organic Chemistry>Biomolecules>Carbohydrates
Show that sucrose is a disaccharide.
MEDIUM
Chemistry>Organic Chemistry>Biomolecules>Carbohydrates
Which of the following sugars is a reducing disaccharide?
MEDIUM
Chemistry>Organic Chemistry>Biomolecules>Carbohydrates
Which one of the following statement is not true?
MEDIUM
Chemistry>Organic Chemistry>Biomolecules>Carbohydrates
For 'invert sugar', the correct statement(s) is (are)

(Given: specific rotations of +-sucrose, +-maltose, L---glucose and L-+-fructose in aqueous solution are + 66°, +140°, –52° and + 92°, respectively)