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Chapter 01 Solutions

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

ChemistryIf the solute is non-dissociating, what value of the van’t Hoff factor is used while determining molar mass?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 17EasyChemistryWhich formula can be used to find the molar mass of a solute by the boiling-point-elevation method?Class 12Chapter 01: Solutions6: Molar Mass DeterminationLevel 17MediumChemistryIn 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 17EasyChemistryWhich relation is useful for finding the molar mass of a solute by the osmotic-pressure method for a dilute solution?Class 12Chapter 01: Solutions6: Molar Mass DeterminationLevel 17MediumChemistryWhich colligative property is generally most convenient for determining the molar mass of large molecules?Class 12Chapter 01: Solutions6: Molar Mass DeterminationLevel 17EasyChemistryWhat is one of the most common mistakes in molar mass determination using colligative properties?Class 12Chapter 01: Solutions6: Molar Mass DeterminationLevel 16EasyChemistryIf CaCl₂ completely dissociates into ions, what is the ideal value of the van’t Hoff factor (i)?Class 12Chapter 01: Solutions6: Molar Mass DeterminationLevel 16EasyChemistryIf NaCl completely dissociates into Na+ and Cl− ions, what is the ideal value of the van’t Hoff factor i?Class 12Chapter 01: Solutions6: Molar Mass DeterminationLevel 16EasyChemistryWhen is it necessary to use the van’t Hoff factor i in molar-mass determination?Class 12Chapter 01: Solutions7: Abnormal Molecular MassLevel 16EasyChemistryIf the observed molar mass of a solute is twice its true molar mass, what is the value of the van’t Hoff factor i?Class 12Chapter 01: Solutions7: Abnormal Molecular MassLevel 16MediumChemistryIf the observed molar mass of a solute is half its true molar mass, what is the value of the van’t Hoff factor i?Class 12Chapter 01: Solutions7: Abnormal Molecular MassLevel 16MediumChemistryWhich pair of quantities is sufficient to calculate the molar mass of an unknown solute directly?Class 12Chapter 01: Solutions6: Molar Mass DeterminationLevel 16EasyChemistryIn a very dilute solution with a very small solute mole fraction, why can molar mass still be determined?Class 12Chapter 01: Solutions6: Molar Mass DeterminationLevel 16MediumChemistryIn molar-mass determination by relative lowering of vapour pressure, which measured quantity is directly related to the mole fraction of a non-volatile solute?Class 12Chapter 01: Solutions6: Molar Mass DeterminationLevel 16EasyChemistryIf 20 g of a solute corresponds to 0.2 mol, what is its molar mass?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 16EasyChemistryIn which method is it most important to express the mass of the solvent in kilograms?Class 12Chapter 01: Solutions6: Molar Mass DeterminationLevel 16EasyChemistryIn which method is it most directly necessary to express the solution volume in litres?Class 12Chapter 01: Solutions6: Molar Mass DeterminationLevel 16EasyChemistryIf π = 0.246 atm, R = 0.082 L atm mol⁻¹ K⁻¹, and T = 300 K, what is the molarity of a non-dissociated solution?Class 12Chapter 01: Solutions6: Molar Mass DeterminationLevel 16Easy

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