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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 elevation in boiling point of a solution is greater than the expected value, which reason is most suitable?Class 12Chapter 01: Solutions5: Colligative PropertiesLevel 15Medium ChemistryWhich colligative property is directly used to explain the bursting or shrinking of blood cells?Class 12Chapter 01: Solutions5: Colligative PropertiesLevel 15Easy ChemistryAt the same temperature, what is the ratio of the osmotic pressures of 0.1 M urea and 0.1 M completely dissociated K₂SO₄ solutions?Class 12Chapter 01: Solutions5: Colligative PropertiesLevel 15Medium ChemistryA solution contains 0.2 mol of a non-volatile solute in 1 kg of water. If 50% of the solute molecules form dimers, what is the effective molality?Class 12Chapter 01: Solutions5: Colligative PropertiesLevel 15Hard ChemistryWhich statement about the ebullioscopic constant \(K_b\) and cryoscopic constant \(K_f\) is correct?Class 12Chapter 01: Solutions5: Colligative PropertiesLevel 14Easy ChemistryIn which solution will the apparent molar mass determined from colligative properties be greater than the true molar mass because of association of solute particles?Class 12Chapter 01: Solutions7: Abnormal Molecular MassLevel 14Medium ChemistryDue to dissociation of an electrolyte, how is the observed molar mass generally obtained from a colligative property?Class 12Chapter 01: Solutions7: Abnormal Molecular MassLevel 14Medium ChemistryA solute associates to form dimers in a solution. How will this affect the observed molar mass calculated from a colligative property?Class 12Chapter 01: Solutions7: Abnormal Molecular MassLevel 14Medium ChemistryIn a benzene solution containing a non-volatile solute, the relative lowering of vapour pressure is less than the value expected for ideal behaviour. What does this indicate?Class 12Chapter 01: Solutions5: Colligative PropertiesLevel 14Medium ChemistryIf the mole fraction of a non-volatile solute in an ideal dilute solution is 0.03, what is the relative lowering of vapour pressure?Class 12Chapter 01: Solutions5: Colligative PropertiesLevel 14Easy ChemistryIf the boiling point of a solution is \(100.78^\circ C\) and that of pure water is \(100.00^\circ C\), what is the elevation in boiling point?Class 12Chapter 01: Solutions5: Colligative PropertiesLevel 14Easy ChemistryWhich of the following properties ideally depends only on the number of solute particles present in a solution and not on their chemical nature?Class 12Chapter 01: Solutions5: Colligative PropertiesLevel 14Easy ChemistryA solution contains 0.010 mol of solute in 1.00 L of solution. If its van’t Hoff factor is i = 2.0, what effective concentration should be used to calculate its osmotic pressure at 300 K?Class 12Chapter 01: Solutions5: Colligative PropertiesLevel 14Easy ChemistryA solution has a freezing-point depression, ΔT_f = 0.372 K. If the cryoscopic constant is K_f = 1.86 K kg mol⁻¹ and the molality is m = 0.100 mol kg⁻¹, what is the van’t Hoff factor (i)?Class 12Chapter 01: Solutions5: Colligative PropertiesLevel 14Medium ChemistryIn trimer formation, three molecules associate to form one particle. If association is complete, what is the van’t Hoff factor (i)?Class 12Chapter 01: Solutions5: Colligative PropertiesLevel 14Medium ChemistryAn electrolyte XY undergoes 30% dissociation. What will be its van’t Hoff factor (i)?Class 12Chapter 01: Solutions5: Colligative PropertiesLevel 14Medium ChemistryIf the amount of a non-volatile solute is increased in a solution, how will the vapour pressure of the solution change compared with that of the pure solvent?Class 12Chapter 01: Solutions5: Colligative PropertiesLevel 14Easy ChemistryWhich statement is most accurate for colligative properties?Class 12Chapter 01: Solutions5: Colligative PropertiesLevel 14Easy ChemistryA cell placed in a hypotonic solution may swell. What is the correct colligative reason?Class 12Chapter 01: Solutions5: Colligative PropertiesLevel 14Easy ChemistryIf a blood cell is placed in a hypertonic solution, why will water move outward?Class 12Chapter 01: Solutions5: Colligative PropertiesLevel 14Easy