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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।

ChemistryIf Kf = 1.86 K kg mol⁻¹, w₂ = 1 g, w₁ = 100 g, and ΔTf = 0.186 K, what is the molar mass M?Class 12Chapter 01: Solutions6: Molar Mass DeterminationLevel 18MediumChemistryIn molar-mass determination using freezing-point depression, K₍f₎ is a property of which substance?Class 12Chapter 01: Solutions6: Molar Mass DeterminationLevel 18EasyChemistryA nonelectrolyte solution has a freezing-point depression, \(\Delta T_f=0.186\,K\), and the cryoscopic constant is \(K_f=1.86\,K\,kg\,mol^{-1}\). What is the molality of the solution?Class 12Chapter 01: Solutions6: Molar Mass DeterminationLevel 18EasyChemistryWhich is the correct formula for molar mass from freezing-point depression when w₁ is the mass of solvent in grams and w₂ is the mass of solute in grams?Class 12Chapter 01: Solutions6: Molar Mass DeterminationLevel 18MediumChemistryIf Kf and ΔTf are given, which quantity can be found first?Class 12Chapter 01: Solutions6: Molar Mass DeterminationLevel 18EasyChemistryIf ΔTf is very small while determining molar mass, what is the main experimental problem?Class 12Chapter 01: Solutions6: Molar Mass DeterminationLevel 18EasyChemistryThe Rast method is mainly related to which purpose?Class 12Chapter 01: Solutions6: Molar Mass DeterminationLevel 18EasyChemistryWhich relation is correct for finding molality in the freezing-point depression method?Class 12Chapter 01: Solutions6: Molar Mass DeterminationLevel 18EasyChemistryWhich measurement is needed to determine molar mass by the freezing-point depression method?Class 12Chapter 01: Solutions6: Molar Mass DeterminationLevel 18EasyChemistryIf the freezing point of a solution is lower than that of the pure solvent, which colligative property does this represent?Class 12Chapter 01: Solutions6: Molar Mass DeterminationLevel 17EasyChemistryIf the freezing point of the pure solvent and the solution are equal, what is ΔT_f?Class 12Chapter 01: Solutions6: Molar Mass DeterminationLevel 17EasyChemistryWhy is the temperature of the pure solvent measured in molar mass determination?Class 12Chapter 01: Solutions6: Molar Mass DeterminationLevel 17EasyChemistryA solution freezes at −0.4 °C, while pure water freezes at 0 °C. What is ΔT_f?Class 12Chapter 01: Solutions6: Molar Mass DeterminationLevel 17EasyChemistryIn the freezing-point-depression method, if ΔTf is measured as smaller for the same masses of solute and solvent, how will the calculated molar mass generally be affected?Class 12Chapter 01: Solutions6: Molar Mass DeterminationLevel 17EasyChemistryWhat is another name for K_f in the freezing-point depression method?Class 12Chapter 01: Solutions6: Molar Mass DeterminationLevel 17EasyChemistryWhat is the correct meaning of ΔT_f in the freezing-point depression method?Class 12Chapter 01: Solutions6: Molar Mass DeterminationLevel 17EasyChemistryIn the freezing-point-depression method, Kf depends on the nature of which substance?Class 12Chapter 01: Solutions6: Molar Mass DeterminationLevel 17EasyChemistryIn the freezing-point-depression method, which quantity is mainly measured to determine the molar mass of a solute?Class 12Chapter 01: Solutions6: Molar Mass DeterminationLevel 17EasyChemistryIn the freezing-point depression method, if the mass of solvent is 100 g, what is its mass in kilograms?Class 12Chapter 01: Solutions6: Molar Mass DeterminationLevel 16EasyChemistryIf ΔTᶠ = 0.372 K and Kᶠ = 1.86 K kg mol⁻¹, what is the molality of a non-dissociated solution?Class 12Chapter 01: Solutions5: Colligative PropertiesLevel 16Easy