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Cryoscopic Constant

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

ChemistryA solution contains 4.0 g of solute in 250 g of solvent. If Kf = 2.0 K kg mol⁻¹ and the freezing-point depression is 0.4 K, what is the molar mass of the solute?Class 12Chapter 01: Solutions6: Molar Mass DeterminationLevel 18MediumChemistryIf 1.0 g of solute is present in 100 g of solvent, Kf = 1.86 K kg mol⁻¹, and the molar mass is 100 g mol⁻¹, what is the ideal ΔTf?Class 12Chapter 01: Solutions6: Molar Mass DeterminationLevel 17MediumChemistryFor a nonelectrolyte, K_f = 1.86 K kg mol⁻¹ and ΔT_f = 0.56 K. What is the approximate molality?Class 12Chapter 01: Solutions6: Molar Mass DeterminationLevel 18EasyChemistryIn the freezing-point-depression method, \(K_f=1.86\,\mathrm{K\,kg\,mol^{-1}}\), \(\Delta T_f=0.93\,\mathrm{K}\), and the solute is non-dissociating. What is the molality?Class 12Chapter 01: Solutions6: Molar Mass DeterminationLevel 17EasyChemistryIn molar-mass determination using freezing-point depression, K₍f₎ is a property of which substance?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 constant is used in the method of freezing-point depression?Class 12Chapter 01: Solutions6: Molar Mass DeterminationLevel 16EasyChemistryIf a solvent has a higher Kf, which conclusion is correct for the same molality of a non-volatile solute?Class 12Chapter 01: Solutions5: Colligative PropertiesLevel 15EasyChemistryWhich statement about the ebullioscopic constant \(K_b\) and cryoscopic constant \(K_f\) is correct?Class 12Chapter 01: Solutions5: Colligative PropertiesLevel 14EasyChemistryA 0.4 m non-dissociated solution has a freezing-point depression of 0.744 K. What will be the freezing-point depression of a 0.2 m CaCl₂ solution in the same solvent if CaCl₂ dissociates completely?Class 12Chapter 01: Solutions5: Colligative PropertiesLevel 13HardChemistryWhat is the correct meaning of the constant Kf used in freezing-point depression?Class 12Chapter 01: Solutions5: Colligative PropertiesLevel 15EasyChemistryWhich constant is called the cryoscopic constant?Class 12Chapter 01: Solutions5: Colligative PropertiesLevel 9EasyChemistryWhich relation is correct for depression in the freezing point?Class 12Chapter 01: Solutions5: Colligative PropertiesLevel 10Easy