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Colligative Properties

Class 12 Chemistry के इस tag से जुड़े questions। हर question के साथ chapter, topic, level और difficulty दी गई है।

ChemistryA colligative experiment gives i = 1. Which conclusion is safest?Class 12Chapter 01: Solutions7: Abnormal Molecular MassLevel 4Easy ChemistryWhich statement correctly relates abnormal molar mass to colligative properties?Class 12Chapter 01: Solutions7: Abnormal Molecular MassLevel 4Easy ChemistryAmong solutions of equal molality, which gives the maximum depression in freezing point if dissociation is complete?Class 12Chapter 01: Solutions5: Colligative PropertiesLevel 5Easy ChemistryThe normal boiling-point elevation for a solute is 0.32 K. What is the observed elevation if 50% trimer association occurs?Class 12Chapter 01: Solutions7: Abnormal Molecular MassLevel 12Medium ChemistryA colligative property is 0.55 times its normal value. If the solute forms only dimers, what is the degree of association?Class 12Chapter 01: Solutions7: Abnormal Molecular MassLevel 13Medium ChemistryA 0.04 M solution has osmotic pressure 1.476 atm at 300 K. Taking R = 0.082 L atm mol−1 K−1, what is i?Class 12Chapter 01: Solutions7: Abnormal Molecular MassLevel 13Medium ChemistryFor a 0.15 mol kg−1 solution, Kf = 2.0 K kg mol−1 and the observed freezing-point depression is 0.54 K. If the solute dissociates into two ions, what is the degree of dissociation?Class 12Chapter 01: Solutions7: Abnormal Molecular MassLevel 14Medium ChemistryIn a 0.30 m solution, Kb = 0.50 K kg mol⁻¹ and the observed boiling-point elevation is 0.225 K. If the solute dissociates into two ions, what is the degree of dissociation?Class 12Chapter 01: Solutions7: Abnormal Molecular MassLevel 13Medium ChemistryThe normal boiling-point elevation is 0.24 K. What is the observed elevation if 60% dimer association occurs?Class 12Chapter 01: Solutions7: Abnormal Molecular MassLevel 12Medium ChemistryA colligative property is 0.40 times the normal value. If the solute forms only trimers, what is the degree of association?Class 12Chapter 01: Solutions7: Abnormal Molecular MassLevel 12Medium ChemistryFor a 0.20 mol kg⁻¹ solution, Kf = 1.5 K kg mol⁻¹ and the observed freezing-point depression is 0.45 K. If the solute dissociates into two ions, what is the degree of dissociation?Class 12Chapter 01: Solutions7: Abnormal Molecular MassLevel 13Medium ChemistryA solute has true molar mass 120 g mol⁻¹ and apparent molar mass 80 g mol⁻¹. What is its van’t Hoff factor?Class 12Chapter 01: Solutions7: Abnormal Molecular MassLevel 11Medium ChemistryIf the elevation in boiling point is three times the expected value, what is the most suitable conclusion?Class 12Chapter 01: Solutions5: Colligative PropertiesLevel 11Medium ChemistryIf measured osmotic pressure is half the expected value, what is the value of i?Class 12Chapter 01: Solutions5: Colligative PropertiesLevel 11Easy ChemistryIf the measured depression in freezing point is 1.5 times the expected value, what is the van’t Hoff factor (i)?Class 12Chapter 01: Solutions5: Colligative PropertiesLevel 11Easy ChemistryIf 0.2 molal KCl shows complete dissociation, what is the effective particle concentration?Class 12Chapter 01: Solutions5: Colligative PropertiesLevel 11Medium ChemistryWhich is the correct formula for osmotic pressure including the van’t Hoff factor?Class 12Chapter 01: Solutions5: Colligative PropertiesLevel 12Medium ChemistryWhich is the correct modified formula for depression in freezing point?Class 12Chapter 01: Solutions5: Colligative PropertiesLevel 12Medium ChemistryWhich relation is correct for elevation in boiling point in an abnormal solution?Class 12Chapter 01: Solutions5: Colligative PropertiesLevel 12Medium ChemistryWhich factor is included in colligative-property formulas for an abnormal solution?Class 12Chapter 01: Solutions5: Colligative PropertiesLevel 11Easy