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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।

ChemistryA colligative property is 45% higher than its normal value. If the solute is AB₂, what is the degree of dissociation?Class 12Chapter 01: Solutions7: Abnormal Molecular MassLevel 12MediumChemistryA salt MX₃ is 70% dissociated. What fraction of its true molar mass is its apparent molar mass?Class 12Chapter 01: Solutions7: Abnormal Molecular MassLevel 12MediumChemistryFor a 0.20 mol kg⁻¹ solution, Kf = 1.5 K kg mol⁻¹ and the observed freezing-point depression is 0.45 K. If the solute dissociates into two ions, what is the degree of dissociation?Class 12Chapter 01: Solutions7: Abnormal Molecular MassLevel 13MediumChemistryAn electrolyte XY₂ has an apparent molar mass equal to 0.625 times its true molar mass. What is the degree of dissociation?Class 12Chapter 01: Solutions7: Abnormal Molecular MassLevel 12MediumChemistryAn A₂B salt is 65% dissociated. What is the van’t Hoff factor?Class 12Chapter 01: Solutions7: Abnormal Molecular MassLevel 12MediumChemistryIf the apparent molar mass of a solute is M/3, what is the value of i and what does it indicate?Class 12Chapter 01: Solutions7: Abnormal Molecular MassLevel 11EasyChemistryFor an electrolyte, i = 2.0. Which situation is not possible?Class 12Chapter 01: Solutions7: Abnormal Molecular MassLevel 13HardChemistryAn AB₃ salt has an apparent molar mass of 50 g mol⁻¹ and a true molar mass of 125 g mol⁻¹. What is the degree of dissociation?Class 12Chapter 01: Solutions7: Abnormal Molecular MassLevel 12MediumChemistryFor partial dissociation of FeCl₃, the van’t Hoff factor is 3.1. What is the approximate degree of dissociation?Class 12Chapter 01: Solutions7: Abnormal Molecular MassLevel 12MediumChemistryA solute dissociates into two ions and its colligative property is 30% higher than normal. What is the degree of dissociation?Class 12Chapter 01: Solutions7: Abnormal Molecular MassLevel 11MediumChemistryA solute has i = 1.75. If it dissociates into two ions, what is its apparent molar mass compared with the true molar mass?Class 12Chapter 01: Solutions7: Abnormal Molecular MassLevel 10MediumChemistryAn AB electrolyte is 40% dissociated. From 100 initial formula units, how many effective particles will be present?Class 12Chapter 01: Solutions7: Abnormal Molecular MassLevel 12MediumChemistryIf AlCl₃ is 50% dissociated, what is its van’t Hoff factor?Class 12Chapter 01: Solutions7: Abnormal Molecular MassLevel 11MediumChemistryIf CaCl₂ undergoes 80% dissociation in a solution, what is the value of i?Class 12Chapter 01: Solutions7: Abnormal Molecular MassLevel 11MediumChemistryA student finds that the apparent molar mass of a salt is less than its true molar mass. Which conclusion can safely be drawn?Class 12Chapter 01: Solutions7: Abnormal Molecular MassLevel 9EasyChemistryA solute has i = 3.4 and is an electrolyte of type XY₄. What is its degree of dissociation?Class 12Chapter 01: Solutions7: Abnormal Molecular MassLevel 13MediumChemistryAn AB₂ salt has i = 2.2. What is its degree of dissociation?Class 12Chapter 01: Solutions7: Abnormal Molecular MassLevel 12MediumChemistryThe apparent molar mass of a solute is 0.40 times its true molar mass. If it dissociates into three ions, what is the degree of dissociation?Class 12Chapter 01: Solutions7: Abnormal Molecular MassLevel 15HardChemistryAB₃ 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 14HardChemistryA 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 11Medium