24 public questions tagged with this topic.
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
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
Fructose is a ketohexose with 6 carbons like glucose (an aldohexose), but it has a ketone group instead of an aldehyde.
Ref: NCERT Class 12 Chemistry > Chapter 14: Biomolecules > Topic: Carbohydrates - Monosaccharides - Structure and Properties
Nitric acid, a strong oxidizing agent, oxidizes both the aldehyde and primary alcohol groups of glucose to carboxylic acids, forming saccharic acid.
Ref: NCERT Class 12 Chemistry > Chapter 14: Biomolecules > Topic: Carbohydrates - Monosaccharides - Structure and Properties
Glucose, an aldohexose, has an aldehyde group (-CHO) at C1 in its open chain form.
Ref: NCERT Class 12 Chemistry > Chapter 14: Biomolecules > Topic: Carbohydrates - Monosaccharides - Structure and Properties
Moles of glucose = (12/180) ≈ 0.0667 mol . Molality = (0.0667/0.6) ≈ 0.111 mol/kg . Δ Tb = 0.52 × 0.111 ≈ 0.0577 K .
Ref: NCERT Class 12 Chemistry > Chapter 1: Solutions > Topic: Colligative Properties - Relative Lowering and Elevation of Boiling Point
Moles = 90 / 180 = 0.5 mol, heat released = 0.5 × 2808 = 1404 kJ.
Ref: NCERT Class 11 Chemistry > Chapter 5: Thermodynamics > Topic: First Law of Thermodynamics and Enthalpy and Internal Energy
Moles of C₆H₁₂O₆ = 18/180 = 0.1 mol; moles of H₂O = 4 mol. Total moles = 4.1. Mole fraction = 0.1/4.1 ≈ 0.0244.
Ref: NCERT Class 11 Chemistry > Chapter 1: Some Basic Concepts of Chemistry > Topic: Concentration Terms - Molarity Molality and Mole Fraction
Insulin promotes glucose uptake by cells and helps lower blood sugar levels.
Ref: NCERT Class 11 Biology Chapter 19: Chemical Coordination and Integration Endocrine Disorders
Glucose is completely reabsorbed in the proximal convoluted tubule unless blood glucose levels exceed the renal threshold.
Ref: NCERT Class 11 Biology Chapter 16: Excretory Products and their Elimination Modes of Excretion - Ammonotelism Ureotelism Uricotelism
During aerobic respiration, a total of 6 CO₂ molecules are released per glucose molecule, two from pyruvate oxidation and four from the Krebs cycle.
Ref: NCERT Class 11 Biology Chapter 12: Respiration in Plants Respiratory Quotient and Factors Affecting Respiration
