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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।

ChemistryThe lowering of vapour pressure in a solution is 2.4 times the normal value. If the solute is AB2, what is the degree of dissociation?Class 12Chapter 01: Solutions7: Abnormal Molecular MassLevel 14Medium ChemistryA solution has i = 2.05. If the solute is of the A2B type, what is the degree of dissociation?Class 12Chapter 01: Solutions7: Abnormal Molecular MassLevel 12Medium ChemistryIf a colligative property of an AB3 solution is 120% higher than its normal value, what is the degree of dissociation?Class 12Chapter 01: Solutions7: Abnormal Molecular MassLevel 14Medium ChemistryAn MX4 salt is 45% dissociated. What fraction of the true molar mass is its apparent molar mass?Class 12Chapter 01: Solutions7: Abnormal Molecular MassLevel 13Medium ChemistryFor a 0.15 mol kg−1 solution, Kf = 2.0 K kg mol−1 and the observed freezing-point depression is 0.54 K. If the solute dissociates into two ions, what is the degree of dissociation?Class 12Chapter 01: Solutions7: Abnormal Molecular MassLevel 14Medium ChemistryAn AX3 electrolyte has an apparent molar mass equal to 0.40 times its true molar mass. What is the degree of dissociation?Class 12Chapter 01: Solutions7: Abnormal Molecular MassLevel 14Medium ChemistryAn AB2 salt undergoes 55% dissociation. What is its van’t Hoff factor?Class 12Chapter 01: Solutions7: Abnormal Molecular MassLevel 11Easy ChemistryFor a solute with i = 1.2, if it dissociates into three ions, what is the degree of dissociation?Class 12Chapter 01: Solutions7: Abnormal Molecular MassLevel 11Easy ChemistryThe true molar mass of an AB2 salt is 120 g mol−1. If 40% dissociation occurs, what is its apparent molar mass?Class 12Chapter 01: Solutions7: Abnormal Molecular MassLevel 14Medium ChemistryAn AX₂ salt is 45% dissociated. From 200 initial formula units, how many effective particles will be present?Class 12Chapter 01: Solutions7: Abnormal Molecular MassLevel 13Medium ChemistryIn a 0.30 m solution, Kb = 0.50 K kg mol⁻¹ and the observed boiling-point elevation is 0.225 K. If the solute dissociates into two ions, what is the degree of dissociation?Class 12Chapter 01: Solutions7: Abnormal Molecular MassLevel 13Medium ChemistryAssume 20% dissociation of Al₂(SO₄)₃. Complete dissociation produces five ions. What is i?Class 12Chapter 01: Solutions7: Abnormal Molecular MassLevel 12Medium ChemistryIf the van’t Hoff factor of MgCl₂ is 2.8, what is the degree of dissociation?Class 12Chapter 01: Solutions7: Abnormal Molecular MassLevel 12Medium ChemistryFor a solute, i = 4/3. If it dissociates into two ions, what is the degree of dissociation?Class 12Chapter 01: Solutions7: Abnormal Molecular MassLevel 11Easy ChemistryAn AB₄ electrolyte is 30% dissociated. What is the value of i?Class 12Chapter 01: Solutions7: Abnormal Molecular MassLevel 12Medium ChemistryFor Na₂SO₄, i = 2.2. What is the approximate degree of dissociation?Class 12Chapter 01: Solutions7: Abnormal Molecular MassLevel 12Medium ChemistryA solution has i = 2.5. Which situation matches this value?Class 12Chapter 01: Solutions7: Abnormal Molecular MassLevel 12Medium ChemistryOut of 100 initial AB₃ units, 25 units dissociate. What is the total number of effective particles?Class 12Chapter 01: Solutions7: Abnormal Molecular MassLevel 13Medium ChemistryThe lowering of vapour pressure is 1.6 times the normal value. If the solute dissociates into two ions, what is the degree of dissociation?Class 12Chapter 01: Solutions7: Abnormal Molecular MassLevel 12Medium ChemistryA solution has i = 1.9. If the solute is AB₃, what is the degree of dissociation?Class 12Chapter 01: Solutions7: Abnormal Molecular MassLevel 12Medium