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Solution


Q.

The incorrect statement about Glucose is:                   [2024]
1 Glucose remains in multiple isomeric form in its aqueous solution  
2 Glucose is one of the monomer unit in sucrose  
3 Glucose is an aldohexose  
4 Glucose is soluble in water because of having aldehyde functional group.  

Ans.

(4)

        1.  Glucose exists as equilibrium mixture of α-D-glucose, open chain structure and β-D-glucose.

        2.  Sucrose is a disaccharide formed by glycosidic linkage between C1 of α-D-glucose and C2 of β-D-fructose.

        3.  Glucose is an aldohexose.

        4.  Water solubility of glucose is because it forms extensive hydrogen bonding with water.