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Karnataka Board PUCPUC Science 2nd PUC Class 12

What are the hydrolysis products of sucrose? - Chemistry

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Questions

What are the hydrolysis products of sucrose?

What are the products of hydrolysis of sucrose?

Very Short Answer
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Solution

Sucrose on hydrolysis gives one unit of glucose and one unit of fructose.

\[\ce{\underset{Sucrose}{C12H22O11} + H2O ->[Invertase][or H3O+] \underset{Glucose}{C6H12O6} + \underset{Fructose}{C6H12O6}}\]

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Chapter 10: Biomolecules - Exercises [Page 302]

RELATED QUESTIONS

What are the expected products of hydrolysis of lactose?


Write two main functions of carbohydrates in plants.


Classify the following into monosaccharides and disaccharides.

Ribose, 2-deoxyribose, maltose, galactose, fructose and lactose


The number of primary and secondary hydroxyl groups in ribose are -

(a) 1, 3

(b) 2, 3

(c) 3, 1

(d) 3, 2


The following molecule is called as:

\[\begin{array}{cc}
\ce{CHO}\phantom{..}\\
|\phantom{......}\\
\ce{(CHOH)4}\\
|\phantom{......}\\
\ce{CH2OH}
\end{array}\]


The two functional groups present in a typical carbohydrate are:


Which of the following monosaccharide is pentose?


Reducing sugars reduce ____________.


Glucose can’t be classified as ____________.


Three cyclic structures of monosaccharides are given below which of these are anomers.

(I)
(II)
(III)

Structure of a disaccharide formed by glucose and fructose is given below. Identify anomeric carbon atoms in monosaccharide units.


Monosaccharides contain carbonyl group hence are classified, as aldose or ketose. The number of carbon atoms present in the monosaccharide molecule are also considered for classification. In which class of monosaccharide will you place fructose?


Assertion: Deoxyribose, \[\ce{C5H10O4}\] is not a carbohydrate.

Reason: Carbohydrates are hydrates of carbon so compounds which follow \[\ce{C_x(H2O)_y}\] formula are carbohydrates.


Account for the following:

Glucose is a reducing sugar


Reagent X is:


The following questions are case-based questions. Read the passage carefully and answer the questions that follow:

Carbohydrates are optically active polyhydroxy aldehydes and ketones. They are also called saccharides. All those carbohydrates which reduce Fehling's solution and Tollen's reagent are referred to as reducing sugars. Glucose, the most important source of energy for mammals, is obtained by the hydrolysis of starch. Vitamins are accessory food factors required in the diet. Proteins are the polymers of α-amino acids and perform various structural and dynamic functions in the organisms. Deficiency of vitamins leads to many diseases.

Answer the following:

(a) The penta-acetate of glucose does not react with Hydroxylamine. What does it indicate? (1)

(b) Why cannot vitamin C be stored in our body? (1)

(c) Define the following as related to proteins: (2)

  1. Peptide linkage
  2. Denaturation

OR

(c) Define the following as related to carbohydrates: (2)

  1. Anomers
  2. Glycosidic linkage

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