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Dissociation

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

ChemistryIn a solution, FeCl₃ is assumed to be 60% dissociated. What is the van’t Hoff factor, i?Class 12Chapter 01: Solutions7: Abnormal Molecular MassLevel 20MediumChemistryIf i = 1.75 and the solute can dissociate into two ions, what will the observed molar mass be compared with the true molar mass?Class 12Chapter 01: Solutions7: Abnormal Molecular MassLevel 20MediumChemistryA salt A₃B₂ is 20% dissociated. What is its van’t Hoff factor, i?Class 12Chapter 01: Solutions7: Abnormal Molecular MassLevel 20MediumChemistryIf a CaCl₂ solution has i = 2.5, what is the degree of dissociation?Class 12Chapter 01: Solutions7: Abnormal Molecular MassLevel 20MediumChemistryFor 25% dissociation of an AB electrolyte, what fraction of the true molar mass will be observed?Class 12Chapter 01: Solutions7: Abnormal Molecular MassLevel 20MediumChemistryFor a 1:2 electrolyte, the observed molar mass is 5/8 of the true molar mass. What is the degree of dissociation?Class 12Chapter 01: Solutions7: Abnormal Molecular MassLevel 20HardChemistryThe true molar mass of a solute is 100 g mol⁻¹ and its van’t Hoff factor is 1.25. What is the observed molar mass?Class 12Chapter 01: Solutions7: Abnormal Molecular MassLevel 19MediumChemistryAn AB₄ salt is 20% dissociated. What is the value of the van’t Hoff factor i?Class 12Chapter 01: Solutions7: Abnormal Molecular MassLevel 19HardChemistryA solute X₂ breaks in solution according to X₂ → 2X to the extent of 30%. What is i?Class 12Chapter 01: Solutions7: Abnormal Molecular MassLevel 8EasyChemistryIf the observed molar mass of a substance is 0.4 times its true molar mass, what is i?Class 12Chapter 01: Solutions7: Abnormal Molecular MassLevel 6EasyChemistryIn a solution, CaCl₂ is 70% dissociated. What is i?Class 12Chapter 01: Solutions7: Abnormal Molecular MassLevel 8EasyChemistryWhich pair is correctly matched?Class 12Chapter 01: Solutions7: Abnormal Molecular MassLevel 4EasyChemistryFor an AB₂ electrolyte, the observed molar mass is half its true molar mass. What is the degree of dissociation?Class 12Chapter 01: Solutions7: Abnormal Molecular MassLevel 10MediumChemistryFor a 1:1 electrolyte, the observed molar mass is 0.8 times the true molar mass. What is the degree of dissociation?Class 12Chapter 01: Solutions7: Abnormal Molecular MassLevel 9MediumChemistryIf i = 1.9 is obtained experimentally for a substance behaving like NaCl, producing two ions, what is the best conclusion?Class 12Chapter 01: Solutions7: Abnormal Molecular MassLevel 6EasyChemistryIn which situation is the molar mass calculated from relative lowering of vapour pressure most likely to be lower than the true value?Class 12Chapter 01: Solutions7: Abnormal Molecular MassLevel 6EasyChemistryFor an AB₃ salt, i = 2.5 is observed. What is the degree of dissociation?Class 12Chapter 01: Solutions7: Abnormal Molecular MassLevel 9MediumChemistryA salt A₂B is 25% dissociated. Find the value of i.Class 12Chapter 01: Solutions7: Abnormal Molecular MassLevel 7EasyChemistryIf the Kb method gives molar mass 40 g mol−1 while the true value is 58.5 g mol−1, what is the most suitable reason?Class 12Chapter 01: Solutions7: Abnormal Molecular MassLevel 6EasyChemistryA colligative property gives a van’t Hoff factor of i = 3. If the solute behaves like AlCl₃ and produces four ions on complete dissociation, what is its degree of dissociation?Class 12Chapter 01: Solutions7: Abnormal Molecular MassLevel 10Medium