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Question

Chemistry Question on Enzymes

Sucrose on hydrolysis gives

A

β−D−Glucose\beta-D-Glucose + α−D−Fructose\alpha -D-Fructose

B

α−D−Glucose+β−D−Glucose\alpha-D-Glucose + \beta - D - Glucose

C

α−D−Glucose+β−D−Fructose\alpha-D-Glucose + \beta -D-Fructose

D

α−D−Fructose+β−D−Fructose\alpha-D-Fructose + \beta -D-Fructose

Answer

α−D−Glucose+β−D−Fructose\alpha-D-Glucose + \beta -D-Fructose

Explanation

Solution

The correct answer is Option C) α−D−Glucose+β−D−Fructose\alpha-D-Glucose + \beta -D-Fructose

Sucrose is a disaccharide made up of two monosaccharides, namely, glucose and fructose. Sucrose is naturally produced in plants and is refined to form edible table sugar. The molecular formula of sucrose is C12H22O11.

The two monosaccharides in sucrose are held together by glycosidic linkage. Upon hydrolysis, this glycosidic linkage is broken to yield two molecules of α\alpha - D - glucose and β\beta - D - fructose. The reaction can be written as:

C12H22O11+H2O→C6H12O6D(+)Glucose+C6H12O6D(-)fructoseC_{12}H_{22}O_{11}+H_{2}O \to\underset{\text{D(+)Glucose}}{{C_{6}H_{12}O_{6}}}+\underset{\text{D(-)fructose}}{{C_{6}H_{12}O_{6}}}

In expanded form,

Read more from the chapter:**Biomolecules **