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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।

ChemistryIf AB is 50% dissociated into A⁺ and B⁻, what fraction of the true molar mass will be observed?Class 12Chapter 01: Solutions7: Abnormal Molecular MassLevel 10Medium ChemistryIf Kf and the measured masses are correct, but the freezing-point depression is greater than expected, what is the most likely cause of the abnormal molar mass?Class 12Chapter 01: Solutions7: Abnormal Molecular MassLevel 7Easy ChemistryAn AB₂ salt undergoes 60% dissociation. What is its van’t Hoff factor in dilute solution?Class 12Chapter 01: Solutions7: Abnormal Molecular MassLevel 7Easy ChemistryA 1:1 electrolyte is 80% dissociated. What is its van’t Hoff factor?Class 12Chapter 01: Solutions7: Abnormal Molecular MassLevel 7Easy ChemistryIn an ideal dilute solution, the molar mass measured from osmotic pressure is half the true molar mass. What is the most suitable conclusion about the solute particles?Class 12Chapter 01: Solutions7: Abnormal Molecular MassLevel 8Easy ChemistryA solution should normally have an osmotic pressure of 2.00 atm, but its actual osmotic pressure is 3.20 atm. If the solute dissociates into two ions, what is the degree of dissociation?Class 12Chapter 01: Solutions7: Abnormal Molecular MassLevel 10Medium ChemistryFor a solute with i = 1.6, if it dissociates into three ions, what is the degree of dissociation?Class 12Chapter 01: Solutions7: Abnormal Molecular MassLevel 9Medium ChemistryThe true molar mass of an AB₃ salt is 160 g mol⁻¹. If 25% dissociation occurs, what is its apparent molar mass?Class 12Chapter 01: Solutions7: Abnormal Molecular MassLevel 13Medium ChemistryAn AX₃ salt is 20% dissociated. From 250 initial formula units, how many effective particles will be present?Class 12Chapter 01: Solutions7: Abnormal Molecular MassLevel 11Medium ChemistryA solution has van't Hoff factor i = 1.05. Which explanation is most appropriate?Class 12Chapter 01: Solutions7: Abnormal Molecular MassLevel 6Easy ChemistryIn a 0.40 mol kg⁻¹ solution, Kb = 0.50 K kg mol⁻¹ and the observed boiling-point elevation is 0.30 K. If the solute dissociates into two ions, what is the degree of dissociation?Class 12Chapter 01: Solutions7: Abnormal Molecular MassLevel 13Medium ChemistryFor an AB electrolyte, 100 initial units produce 130 effective particles. What is the degree of dissociation?Class 12Chapter 01: Solutions7: Abnormal Molecular MassLevel 12Medium ChemistryAssume 80% dissociation of AlCl₃. What is the value of i?Class 12Chapter 01: Solutions7: Abnormal Molecular MassLevel 11Easy ChemistryIf the van’t Hoff factor of BaCl₂ is 2.5, what is the degree of dissociation?Class 12Chapter 01: Solutions7: Abnormal Molecular MassLevel 12Medium ChemistryAn AB₄ electrolyte is 25% dissociated. What is the value of i?Class 12Chapter 01: Solutions7: Abnormal Molecular MassLevel 11Easy ChemistryFor a K₂SO₄ solution, i = 2.6 is observed. What is the degree of dissociation?Class 12Chapter 01: Solutions7: Abnormal Molecular MassLevel 12Medium ChemistryA solution shows i = 1.9. Which situation matches this value?Class 12Chapter 01: Solutions7: Abnormal Molecular MassLevel 11Easy ChemistryAn XY electrolyte has i = 1.72. If its formal concentration is 0.25 M, what is the effective particle concentration?Class 12Chapter 01: Solutions7: Abnormal Molecular MassLevel 9Easy ChemistryOut of 100 initial AB2 units, 35 units dissociate. What is the total number of effective particles?Class 12Chapter 01: Solutions7: Abnormal Molecular MassLevel 12Medium ChemistryIf Kb = 0.60 K kg mol−1, m = 0.20 mol kg−1, and the observed boiling-point elevation is 0.18 K, what is i?Class 12Chapter 01: Solutions7: Abnormal Molecular MassLevel 12Medium