24 public questions tagged with this topic.
Sucrose is a disaccharide made up of glucose and fructose, linked by an α-1,2-glycosidic bond.
Ref: NCERT Class 12 Chemistry > Chapter 14: Biomolecules > Topic: Carbohydrates - Disaccharides and Glycosidic Linkage
Galactose is an epimer of glucose, differing only at the C4 position in their open chain forms.
Ref: NCERT Class 12 Chemistry > Chapter 14: Biomolecules > Topic: Carbohydrates - Disaccharides and Glycosidic Linkage
Lactose is composed of galactose and glucose, linked by a β-1,4-glycosidic bond.
Ref: NCERT Class 12 Chemistry > Chapter 14: Biomolecules > Topic: Carbohydrates - Disaccharides and Glycosidic Linkage
Sucrose has a glycosidic bond between the anomeric carbon of glucose (C1) and fructose (C2), making it a non-reducing sugar.
Ref: NCERT Class 12 Chemistry > Chapter 14: Biomolecules > Topic: Carbohydrates - Disaccharides and Glycosidic Linkage
Maltose is a disaccharide composed of two glucose units linked by an α-1,4-glycosidic bond.
Ref: NCERT Class 12 Chemistry > Chapter 14: Biomolecules > Topic: Carbohydrates - Disaccharides and Glycosidic Linkage
Lactose hydrolysis yields glucose and galactose, catalyzed by lactase.
Ref: NCERT Class 12 Chemistry > Chapter 14: Biomolecules > Topic: Carbohydrates - Disaccharides and Glycosidic Linkage
Galactose, an aldohexose with a free aldehyde group, reduces Cu²⁺ in Fehling’s solution, producing a red precipitate.
Ref: NCERT Class 12 Chemistry > Chapter 14: Biomolecules > Topic: Carbohydrates - Disaccharides and Glycosidic Linkage
Fructose is a ketose sugar with a ketone group at C2, unlike aldoses which have an aldehyde group.
Ref: NCERT Class 12 Chemistry > Chapter 14: Biomolecules > Topic: Carbohydrates - Monosaccharides - Structure and Properties
Glucose is an aldohexose, a six-carbon sugar with an aldehyde group at C1.
Ref: NCERT Class 12 Chemistry > Chapter 14: Biomolecules > Topic: Carbohydrates - Monosaccharides - Structure and Properties
The open chain structure of glucose has five -OH groups attached to different carbon atoms, confirmed by its reaction with acetic anhydride to form a pentaacetate.
Ref: NCERT Class 12 Chemistry > Chapter 14: Biomolecules > Topic: Carbohydrates - Monosaccharides - Structure and Properties
Mannose is an epimer of glucose, differing only in the configuration at C2.
Ref: NCERT Class 12 Chemistry > Chapter 14: Biomolecules > Topic: Carbohydrates - Monosaccharides - Structure and Properties
Reduction of glucose (an aldohexose) with hydrogen converts the aldehyde group to an alcohol, forming sorbitol.
Ref: NCERT Class 12 Chemistry > Chapter 14: Biomolecules > Topic: Carbohydrates - Monosaccharides - Structure and Properties
