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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।

ChemistryWhich method is more convenient for determining the molar mass of large biomolecules?Class 12Chapter 01: Solutions6: Molar Mass DeterminationLevel 16EasyChemistryWhich relation is useful for determining molar mass by the osmotic-pressure method?Class 12Chapter 01: Solutions6: Molar Mass DeterminationLevel 16MediumChemistryWhich constant is used in the method of freezing-point depression?Class 12Chapter 01: Solutions6: Molar Mass DeterminationLevel 16EasyChemistryWhich constant is used in the method of boiling-point elevation?Class 12Chapter 01: Solutions6: Molar Mass DeterminationLevel 16EasyChemistryIn molar mass determination using freezing-point depression, in which unit must the mass of the solvent be expressed?Class 12Chapter 01: Solutions6: Molar Mass DeterminationLevel 16EasyChemistryWhich simple relation is used to calculate molar mass?Class 12Chapter 01: Solutions6: Molar Mass DeterminationLevel 16EasyChemistryWhy are colligative properties mainly used for determining molar mass?Class 12Chapter 01: Solutions6: Molar Mass DeterminationLevel 16EasyChemistryWhich pair will produce nearly the same depression in freezing point at the same molality if both salts are completely dissociated?Class 12Chapter 01: Solutions5: Colligative PropertiesLevel 15MediumChemistryWhat happens to the relative lowering of vapour pressure when the mole fraction of the solute is increased in a solution?Class 12Chapter 01: Solutions5: Colligative PropertiesLevel 15MediumChemistryFor a solution, i = 2.5 and molality is 0.2 m. If Kf = 1.86 K kg mol⁻¹, what is ΔTf?Class 12Chapter 01: Solutions5: Colligative PropertiesLevel 15MediumChemistryA solution contains 5 g of solute in 100 g of solvent. If the same amount of solute is dissolved in 200 g of solvent, what happens to the depression in freezing point?Class 12Chapter 01: Solutions5: Colligative PropertiesLevel 15MediumChemistryA solution has i = 1. Which situation is most suitable for it?Class 12Chapter 01: Solutions5: Colligative PropertiesLevel 15EasyChemistryFor which solution is the van’t Hoff factor i most likely to be less than 1?Class 12Chapter 01: Solutions5: Colligative PropertiesLevel 15MediumChemistryWhich relation is correct for a dilute solution containing a non-volatile solute?Class 12Chapter 01: Solutions5: Colligative PropertiesLevel 15MediumChemistryThe observed molar mass of a substance in benzene is found to be twice its normal molar mass. Which conclusion is correct?Class 12Chapter 01: Solutions7: Abnormal Molecular MassLevel 15MediumChemistryIf MgCl₂ undergoes 50% dissociation, what is the value of the van’t Hoff factor (i)?Class 12Chapter 01: Solutions5: Colligative PropertiesLevel 15MediumChemistryA nonelectrolyte solution has an osmotic pressure of 2.46 atm at a concentration of 0.1 M. What will its osmotic pressure be at 0.2 M and the same temperature?Class 12Chapter 01: Solutions5: Colligative PropertiesLevel 15EasyChemistryWhat is the minimum external pressure required to stop the entry of solvent through a semipermeable membrane into a solution called?Class 12Chapter 01: Solutions5: Colligative PropertiesLevel 15EasyChemistryA solution contains 0.1 mol of solute in 2 kg of solvent. If the van’t Hoff factor is i = 3, what is the effective molality?Class 12Chapter 01: Solutions5: Colligative PropertiesLevel 15MediumChemistrySolutions A and B contain the same amount of solute. Solution A contains 500 g of solvent, whereas solution B contains 1000 g of solvent. Which solution has the greater depression in freezing point?Class 12Chapter 01: Solutions5: Colligative PropertiesLevel 15Medium

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