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

ChemistryIf the boiling point of a solution is higher 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 17EasyChemistryIf 0.1 mol of solute is dissolved in 0.5 kg of solvent, what is the molality?Class 12Chapter 01: Solutions6: Molar Mass DeterminationLevel 17EasyChemistryIf 5 g of solute is dissolved in 250 g of solvent, what is the mass of the solvent in kilograms?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 an experiment, the boiling point of a pure solvent is 100.0 °C and that of the solution is 100.2 °C. What is ΔT_b?Class 12Chapter 01: Solutions6: Molar Mass DeterminationLevel 17EasyChemistryIf the normal molar mass is 100 g mol⁻¹ and the observed molar mass is 50 g mol⁻¹, what is the Van’t Hoff factor i?Class 12Chapter 01: Solutions7: Abnormal Molecular MassLevel 17EasyChemistryIf the normal molar mass is 180 g mol⁻¹ and the observed molar mass is 180 g mol⁻¹, what is the Van’t Hoff factor i?Class 12Chapter 01: Solutions7: Abnormal Molecular MassLevel 17EasyChemistryWhy is a non-volatile solute chosen in molar-mass determination based on vapour-pressure lowering?Class 12Chapter 01: Solutions6: Molar Mass DeterminationLevel 17EasyChemistryIf 1 g of solute is dissolved in 100 g of solvent, what does wB represent in the usual molar-mass formula?Class 12Chapter 01: Solutions6: Molar Mass DeterminationLevel 17EasyChemistryWhile finding molar mass from boiling-point elevation, if ΔTb becomes larger and all other quantities remain the same, what happens to the molar mass?Class 12Chapter 01: Solutions6: Molar Mass DeterminationLevel 17EasyChemistryIf osmotic pressure increases while all other quantities remain constant, how will the molar mass calculated from M = wRT/(πV) change?Class 12Chapter 01: Solutions6: Molar Mass DeterminationLevel 17EasyChemistryIf the mass of solute increases while all other quantities remain the same, how is the molar mass calculated from the osmotic-pressure formula affected?Class 12Chapter 01: Solutions6: Molar Mass DeterminationLevel 17EasyChemistryWhich of the following colligative properties is particularly useful for determining the molar mass of a solute?Class 12Chapter 01: Solutions6: Molar Mass DeterminationLevel 17EasyChemistryIf 10 g of solute is dissolved in 500 g of solvent, what does w_A represent in the molar-mass formula?Class 12Chapter 01: Solutions6: Molar Mass DeterminationLevel 17EasyChemistryIn a molality calculation, in which unit is the mass of the solvent taken?Class 12Chapter 01: Solutions6: Molar Mass DeterminationLevel 17EasyChemistryIf 0.5 mol of a solute has a mass of 30 g, what is its molar mass?Class 12Chapter 01: Solutions6: Molar Mass DeterminationLevel 17EasyChemistryWhy are colligative properties used in molar mass determination?Class 12Chapter 01: Solutions6: Molar Mass DeterminationLevel 17EasyChemistryWhich pair of quantities is sufficient to calculate the molar mass of an unknown solute directly?Class 12Chapter 01: Solutions6: Molar Mass DeterminationLevel 16EasyChemistryIf a 0.2 m solution is prepared using 1 kg of solvent, how many moles of solute are present?Class 12Chapter 01: Solutions6: Molar Mass DeterminationLevel 16Easy