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Freezing Point Depression

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

ChemistryWhat effect does association have on depression in freezing point?Class 12Chapter 01: Solutions5: Colligative PropertiesLevel 11MediumChemistryWhat is the effect of dissociation on depression in freezing point?Class 12Chapter 01: Solutions5: Colligative PropertiesLevel 10EasyChemistryWhich relation is correct for freezing-point depression in an abnormal solution?Class 12Chapter 01: Solutions7: Abnormal Molecular MassLevel 11MediumChemistryIf the observed depression in freezing point is greater than the theoretical value, what is the most likely reason?Class 12Chapter 01: Solutions7: Abnormal Molecular MassLevel 10MediumChemistryWhich colligative property can increase due to dissociation?Class 12Chapter 01: Solutions7: Abnormal Molecular MassLevel 11EasyChemistryDuring dissociation, how may the depression in freezing point compare with the normal value?Class 12Chapter 01: Solutions5: Colligative PropertiesLevel 14MediumChemistryDue to association, how will the observed depression in freezing point compare with the normal value?Class 12Chapter 01: Solutions7: Abnormal Molecular MassLevel 12EasyChemistryIn which case will the observed depression in freezing point be greater than the normal value?Class 12Chapter 01: Solutions7: Abnormal Molecular MassLevel 12EasyChemistryThree grams of a solute dissolved in 100 g of solvent produces a freezing-point depression of 0.3 K. What depression will be produced by 6 g of the same solute in 100 g of the same solvent?Class 12Chapter 01: Solutions7: Abnormal Molecular MassLevel 19MediumChemistryFor two non-electrolyte solutions having the same molality, which solution will show the greater depression in freezing point?Class 12Chapter 01: Solutions5: Colligative PropertiesLevel 18EasyChemistryIf the freezing-point depression is mistakenly measured as lower than its true value, what is the mathematical effect on the calculated molar mass?Class 12Chapter 01: Solutions6: Molar Mass DeterminationLevel 18MediumChemistryIn an experiment, the mass of the solvent is accidentally recorded as higher than its actual value. How will the molar mass calculated from freezing-point depression be affected?Class 12Chapter 01: Solutions6: Molar Mass DeterminationLevel 18MediumChemistryIf both the mass of the solute and the mass of the solvent are doubled, what happens to the freezing-point depression, assuming the solute remains non-electrolytic and the solution remains dilute?Class 12Chapter 01: Solutions6: Molar Mass DeterminationLevel 18EasyChemistryWhat is the advantage of using a solvent with a larger Kf value in freezing-point-depression measurements?Class 12Chapter 01: Solutions6: Molar Mass DeterminationLevel 18EasyChemistryA solute has a true molar mass of 60 g mol⁻¹, but freezing-point depression gives an apparent molar mass of 30 g mol⁻¹. What is the van’t Hoff factor?Class 12Chapter 01: Solutions7: Abnormal Molecular MassLevel 18MediumChemistryWhich method often needs very precise measurement because the temperature change is very small?Class 12Chapter 01: Solutions6: Molar Mass DeterminationLevel 18MediumChemistryIf the molar mass of an acid in benzene, determined from freezing-point depression, is nearly double the expected value, what does it indicate?Class 12Chapter 01: Solutions7: Abnormal Molecular MassLevel 18MediumChemistryIf 2 g of a solute dissolved in 100 g of water lowers the freezing point by 0.186 K, and Kf for water is 1.86 K kg mol⁻¹, what is the molar mass of the solute?Class 12Chapter 01: Solutions6: Molar Mass DeterminationLevel 18MediumChemistryEqual masses of two non-volatile solutes are dissolved in equal masses of the same solvent. If the first solution shows a greater freezing-point depression, what can be concluded about the first solute?Class 12Chapter 01: Solutions6: Molar Mass DeterminationLevel 18MediumChemistryIn the freezing-point depression method, in which situation will the calculated molar mass of a solute be higher than its true value?Class 12Chapter 01: Solutions6: Molar Mass DeterminationLevel 18Medium