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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।

ChemistryA solute has i = 0.75. If it only forms dimers, what is the degree of association?Class 12Chapter 01: Solutions7: Abnormal Molecular MassLevel 12MediumChemistryAB₃ undergoes 40% dissociation into A³⁺ and three B⁻ ions. What fraction of the true molar mass is the apparent molar mass?Class 12Chapter 01: Solutions7: Abnormal Molecular MassLevel 14HardChemistryThe apparent molar mass of a solute is double its true molar mass. What is the most suitable explanation?Class 12Chapter 01: Solutions7: Abnormal Molecular MassLevel 12MediumChemistryA salt MX₂ is 75% dissociated. Since it gives three ions on complete dissociation, what is its van’t Hoff factor?Class 12Chapter 01: Solutions7: Abnormal Molecular MassLevel 11MediumChemistryAn acid dimerises in benzene. The expected freezing-point depression is 0.50 K, but the observed value is 0.30 K. What is the approximate degree of association?Class 12Chapter 01: Solutions7: Abnormal Molecular MassLevel 17HardChemistryA solute has true molar mass 120 g mol⁻¹ and apparent molar mass 80 g mol⁻¹. What is its van’t Hoff factor?Class 12Chapter 01: Solutions7: Abnormal Molecular MassLevel 11MediumChemistryAn electrolyte AB is 60% dissociated into A⁺ and B⁻. What is its van’t Hoff factor?Class 12Chapter 01: Solutions7: Abnormal Molecular MassLevel 11MediumChemistryA solute completely dimerises in solution. If its true molar mass is M, what apparent molar mass is obtained from freezing-point depression?Class 12Chapter 01: Solutions7: Abnormal Molecular MassLevel 12MediumChemistryA solute has normal molar mass 56 and observed molar mass 28. What is the most suitable explanation?Class 12Chapter 01: Solutions7: Abnormal Molecular MassLevel 10MediumChemistryA solute has normal molar mass 80 and observed molar mass 160. Which process is possible?Class 12Chapter 01: Solutions7: Abnormal Molecular MassLevel 10MediumChemistryA substance has normal molar mass 150 and van’t Hoff factor 1.5. What is its observed molar mass?Class 12Chapter 01: Solutions7: Abnormal Molecular MassLevel 10MediumChemistryWhat is the ideal van’t Hoff factor for NH₄Cl on complete dissociation?Class 12Chapter 01: Solutions7: Abnormal Molecular MassLevel 7EasyChemistryWhat is the van’t Hoff factor for SrCl₂ on complete dissociation?Class 12Chapter 01: Solutions7: Abnormal Molecular MassLevel 7EasyChemistryIn a question on abnormal molar mass, what should usually be decided first?Class 12Chapter 01: Solutions7: Abnormal Molecular MassLevel 8EasyChemistryWhy is the van’t Hoff factor usually taken as 1 for sugar dissolved in water?Class 12Chapter 01: Solutions7: Abnormal Molecular MassLevel 6EasyChemistryIf A₃B undergoes complete dissociation, what is the ideal van’t Hoff factor?Class 12Chapter 01: Solutions7: Abnormal Molecular MassLevel 8EasyChemistryIf an A₂B-type solute is 60% dissociated, what is the van’t Hoff factor?Class 12Chapter 01: Solutions7: Abnormal Molecular MassLevel 10MediumChemistryIf the elevation in boiling point is three times the expected value, what is the most suitable conclusion?Class 12Chapter 01: Solutions5: Colligative PropertiesLevel 11MediumChemistryIn which solution can i be less than 1?Class 12Chapter 01: Solutions7: Abnormal Molecular MassLevel 11MediumChemistryIn which solution is i most likely to be greater than 1?Class 12Chapter 01: Solutions7: Abnormal Molecular MassLevel 11Medium